Articles of Dr. Matthias Buchert
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#17 {main}
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#14 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule()
#15 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate()
#16 index.php(24): Contao\FrontendIndex->run()
#17 {main}
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#5 system/modules/core/classes/Hybrid.php(239): MetaModels\FrontendIntegration\HybridList->compile()
#6 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/MetaModelHybrid.php(102): Contao\Hybrid->generate()
#7 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(54): MetaModels\FrontendIntegration\MetaModelHybrid->generate()
#8 system/modules/core/library/Contao/Controller.php(484): MetaModels\FrontendIntegration\HybridList->generate()
#9 system/modules/core/modules/ModuleArticle.php(213): Contao\Controller::getContentElement()
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#11 system/modules/core/modules/ModuleArticle.php(67): Contao\Module->generate()
#12 system/modules/core/library/Contao/Controller.php(417): Contao\ModuleArticle->generate()
#13 system/modules/core/library/Contao/Controller.php(277): Contao\Controller::getArticle()
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Press release: Germany 2049: Transition to a sustainable use of raw materials. An agenda for actionDegreif, S., Buchert, M., 2017
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3. Policy Paper - Germany 2049Buchert, M., Hermann, A., Degreif, S., Schleicher, T., Huenecke, K., Bulach, W., Mottschall, M., 2016
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#6 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/MetaModelHybrid.php(102): Contao\Hybrid->generate()
#7 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(54): MetaModels\FrontendIntegration\MetaModelHybrid->generate()
#8 system/modules/core/library/Contao/Controller.php(484): MetaModels\FrontendIntegration\HybridList->generate()
#9 system/modules/core/modules/ModuleArticle.php(213): Contao\Controller::getContentElement()
#10 system/modules/core/modules/Module.php(287): Contao\ModuleArticle->compile()
#11 system/modules/core/modules/ModuleArticle.php(67): Contao\Module->generate()
#12 system/modules/core/library/Contao/Controller.php(417): Contao\ModuleArticle->generate()
#13 system/modules/core/library/Contao/Controller.php(277): Contao\Controller::getArticle()
#14 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule()
#15 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate()
#16 index.php(24): Contao\FrontendIndex->run()
#17 {main}
Warning: Creating default object from empty value in plugins/openurl.php on line 96
#0 plugins/openurl.php(96): __error()
#1 templates/metamodel_publications_list.html5(161): OpenURL()
#2 composer/vendor/metamodels/core/src/MetaModels/Render/Template.php(300): include('/var/www/contao...')
#3 composer/vendor/metamodels/core/src/MetaModels/ItemList.php(815): MetaModels\Render\Template->parse()
#4 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(115): MetaModels\ItemList->render()
#5 system/modules/core/classes/Hybrid.php(239): MetaModels\FrontendIntegration\HybridList->compile()
#6 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/MetaModelHybrid.php(102): Contao\Hybrid->generate()
#7 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(54): MetaModels\FrontendIntegration\MetaModelHybrid->generate()
#8 system/modules/core/library/Contao/Controller.php(484): MetaModels\FrontendIntegration\HybridList->generate()
#9 system/modules/core/modules/ModuleArticle.php(213): Contao\Controller::getContentElement()
#10 system/modules/core/modules/Module.php(287): Contao\ModuleArticle->compile()
#11 system/modules/core/modules/ModuleArticle.php(67): Contao\Module->generate()
#12 system/modules/core/library/Contao/Controller.php(417): Contao\ModuleArticle->generate()
#13 system/modules/core/library/Contao/Controller.php(277): Contao\Controller::getArticle()
#14 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule()
#15 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate()
#16 index.php(24): Contao\FrontendIndex->run()
#17 {main}
Warning: Creating default object from empty value in plugins/openurl.php on line 96
#0 plugins/openurl.php(96): __error()
#1 templates/metamodel_publications_list.html5(161): OpenURL()
#2 composer/vendor/metamodels/core/src/MetaModels/Render/Template.php(300): include('/var/www/contao...')
#3 composer/vendor/metamodels/core/src/MetaModels/ItemList.php(815): MetaModels\Render\Template->parse()
#4 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(115): MetaModels\ItemList->render()
#5 system/modules/core/classes/Hybrid.php(239): MetaModels\FrontendIntegration\HybridList->compile()
#6 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/MetaModelHybrid.php(102): Contao\Hybrid->generate()
#7 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(54): MetaModels\FrontendIntegration\MetaModelHybrid->generate()
#8 system/modules/core/library/Contao/Controller.php(484): MetaModels\FrontendIntegration\HybridList->generate()
#9 system/modules/core/modules/ModuleArticle.php(213): Contao\Controller::getContentElement()
#10 system/modules/core/modules/Module.php(287): Contao\ModuleArticle->compile()
#11 system/modules/core/modules/ModuleArticle.php(67): Contao\Module->generate()
#12 system/modules/core/library/Contao/Controller.php(417): Contao\ModuleArticle->generate()
#13 system/modules/core/library/Contao/Controller.php(277): Contao\Controller::getArticle()
#14 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule()
#15 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate()
#16 index.php(24): Contao\FrontendIndex->run()
#17 {main}
Warning: Creating default object from empty value in plugins/openurl.php on line 96
#0 plugins/openurl.php(96): __error()
#1 templates/metamodel_publications_list.html5(161): OpenURL()
#2 composer/vendor/metamodels/core/src/MetaModels/Render/Template.php(300): include('/var/www/contao...')
#3 composer/vendor/metamodels/core/src/MetaModels/ItemList.php(815): MetaModels\Render\Template->parse()
#4 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(115): MetaModels\ItemList->render()
#5 system/modules/core/classes/Hybrid.php(239): MetaModels\FrontendIntegration\HybridList->compile()
#6 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/MetaModelHybrid.php(102): Contao\Hybrid->generate()
#7 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(54): MetaModels\FrontendIntegration\MetaModelHybrid->generate()
#8 system/modules/core/library/Contao/Controller.php(484): MetaModels\FrontendIntegration\HybridList->generate()
#9 system/modules/core/modules/ModuleArticle.php(213): Contao\Controller::getContentElement()
#10 system/modules/core/modules/Module.php(287): Contao\ModuleArticle->compile()
#11 system/modules/core/modules/ModuleArticle.php(67): Contao\Module->generate()
#12 system/modules/core/library/Contao/Controller.php(417): Contao\ModuleArticle->generate()
#13 system/modules/core/library/Contao/Controller.php(277): Contao\Controller::getArticle()
#14 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule()
#15 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate()
#16 index.php(24): Contao\FrontendIndex->run()
#17 {main}
Warning: Creating default object from empty value in plugins/openurl.php on line 96
#0 plugins/openurl.php(96): __error()
#1 templates/metamodel_publications_list.html5(161): OpenURL()
#2 composer/vendor/metamodels/core/src/MetaModels/Render/Template.php(300): include('/var/www/contao...')
#3 composer/vendor/metamodels/core/src/MetaModels/ItemList.php(815): MetaModels\Render\Template->parse()
#4 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(115): MetaModels\ItemList->render()
#5 system/modules/core/classes/Hybrid.php(239): MetaModels\FrontendIntegration\HybridList->compile()
#6 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/MetaModelHybrid.php(102): Contao\Hybrid->generate()
#7 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(54): MetaModels\FrontendIntegration\MetaModelHybrid->generate()
#8 system/modules/core/library/Contao/Controller.php(484): MetaModels\FrontendIntegration\HybridList->generate()
#9 system/modules/core/modules/ModuleArticle.php(213): Contao\Controller::getContentElement()
#10 system/modules/core/modules/Module.php(287): Contao\ModuleArticle->compile()
#11 system/modules/core/modules/ModuleArticle.php(67): Contao\Module->generate()
#12 system/modules/core/library/Contao/Controller.php(417): Contao\ModuleArticle->generate()
#13 system/modules/core/library/Contao/Controller.php(277): Contao\Controller::getArticle()
#14 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule()
#15 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate()
#16 index.php(24): Contao\FrontendIndex->run()
#17 {main}
Warning: Creating default object from empty value in plugins/openurl.php on line 96
#0 plugins/openurl.php(96): __error()
#1 templates/metamodel_publications_list.html5(161): OpenURL()
#2 composer/vendor/metamodels/core/src/MetaModels/Render/Template.php(300): include('/var/www/contao...')
#3 composer/vendor/metamodels/core/src/MetaModels/ItemList.php(815): MetaModels\Render\Template->parse()
#4 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(115): MetaModels\ItemList->render()
#5 system/modules/core/classes/Hybrid.php(239): MetaModels\FrontendIntegration\HybridList->compile()
#6 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/MetaModelHybrid.php(102): Contao\Hybrid->generate()
#7 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(54): MetaModels\FrontendIntegration\MetaModelHybrid->generate()
#8 system/modules/core/library/Contao/Controller.php(484): MetaModels\FrontendIntegration\HybridList->generate()
#9 system/modules/core/modules/ModuleArticle.php(213): Contao\Controller::getContentElement()
#10 system/modules/core/modules/Module.php(287): Contao\ModuleArticle->compile()
#11 system/modules/core/modules/ModuleArticle.php(67): Contao\Module->generate()
#12 system/modules/core/library/Contao/Controller.php(417): Contao\ModuleArticle->generate()
#13 system/modules/core/library/Contao/Controller.php(277): Contao\Controller::getArticle()
#14 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule()
#15 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate()
#16 index.php(24): Contao\FrontendIndex->run()
#17 {main}
Warning: Creating default object from empty value in plugins/openurl.php on line 96
#0 plugins/openurl.php(96): __error()
#1 templates/metamodel_publications_list.html5(161): OpenURL()
#2 composer/vendor/metamodels/core/src/MetaModels/Render/Template.php(300): include('/var/www/contao...')
#3 composer/vendor/metamodels/core/src/MetaModels/ItemList.php(815): MetaModels\Render\Template->parse()
#4 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(115): MetaModels\ItemList->render()
#5 system/modules/core/classes/Hybrid.php(239): MetaModels\FrontendIntegration\HybridList->compile()
#6 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/MetaModelHybrid.php(102): Contao\Hybrid->generate()
#7 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(54): MetaModels\FrontendIntegration\MetaModelHybrid->generate()
#8 system/modules/core/library/Contao/Controller.php(484): MetaModels\FrontendIntegration\HybridList->generate()
#9 system/modules/core/modules/ModuleArticle.php(213): Contao\Controller::getContentElement()
#10 system/modules/core/modules/Module.php(287): Contao\ModuleArticle->compile()
#11 system/modules/core/modules/ModuleArticle.php(67): Contao\Module->generate()
#12 system/modules/core/library/Contao/Controller.php(417): Contao\ModuleArticle->generate()
#13 system/modules/core/library/Contao/Controller.php(277): Contao\Controller::getArticle()
#14 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule()
#15 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate()
#16 index.php(24): Contao\FrontendIndex->run()
#17 {main}
2. Policy Paper - Germany 2049Bulach, W., Mottschall, M., Huenecke, K., Schleicher, T., Buchert, M., Hermann, A., Stahl, H., Degreif, S., Schmidt, G., 2016
Warning: Creating default object from empty value in plugins/openurl.php on line 67
#0 plugins/openurl.php(67): __error()
#1 templates/metamodel_publications_list.html5(161): OpenURL()
#2 composer/vendor/metamodels/core/src/MetaModels/Render/Template.php(300): include('/var/www/contao...')
#3 composer/vendor/metamodels/core/src/MetaModels/ItemList.php(815): MetaModels\Render\Template->parse()
#4 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(115): MetaModels\ItemList->render()
#5 system/modules/core/classes/Hybrid.php(239): MetaModels\FrontendIntegration\HybridList->compile()
#6 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/MetaModelHybrid.php(102): Contao\Hybrid->generate()
#7 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(54): MetaModels\FrontendIntegration\MetaModelHybrid->generate()
#8 system/modules/core/library/Contao/Controller.php(484): MetaModels\FrontendIntegration\HybridList->generate()
#9 system/modules/core/modules/ModuleArticle.php(213): Contao\Controller::getContentElement()
#10 system/modules/core/modules/Module.php(287): Contao\ModuleArticle->compile()
#11 system/modules/core/modules/ModuleArticle.php(67): Contao\Module->generate()
#12 system/modules/core/library/Contao/Controller.php(417): Contao\ModuleArticle->generate()
#13 system/modules/core/library/Contao/Controller.php(277): Contao\Controller::getArticle()
#14 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule()
#15 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate()
#16 index.php(24): Contao\FrontendIndex->run()
#17 {main}
Warning: Creating default object from empty value in plugins/openurl.php on line 96
#0 plugins/openurl.php(96): __error()
#1 templates/metamodel_publications_list.html5(161): OpenURL()
#2 composer/vendor/metamodels/core/src/MetaModels/Render/Template.php(300): include('/var/www/contao...')
#3 composer/vendor/metamodels/core/src/MetaModels/ItemList.php(815): MetaModels\Render\Template->parse()
#4 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(115): MetaModels\ItemList->render()
#5 system/modules/core/classes/Hybrid.php(239): MetaModels\FrontendIntegration\HybridList->compile()
#6 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/MetaModelHybrid.php(102): Contao\Hybrid->generate()
#7 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(54): MetaModels\FrontendIntegration\MetaModelHybrid->generate()
#8 system/modules/core/library/Contao/Controller.php(484): MetaModels\FrontendIntegration\HybridList->generate()
#9 system/modules/core/modules/ModuleArticle.php(213): Contao\Controller::getContentElement()
#10 system/modules/core/modules/Module.php(287): Contao\ModuleArticle->compile()
#11 system/modules/core/modules/ModuleArticle.php(67): Contao\Module->generate()
#12 system/modules/core/library/Contao/Controller.php(417): Contao\ModuleArticle->generate()
#13 system/modules/core/library/Contao/Controller.php(277): Contao\Controller::getArticle()
#14 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule()
#15 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate()
#16 index.php(24): Contao\FrontendIndex->run()
#17 {main}
Warning: Creating default object from empty value in plugins/openurl.php on line 96
#0 plugins/openurl.php(96): __error()
#1 templates/metamodel_publications_list.html5(161): OpenURL()
#2 composer/vendor/metamodels/core/src/MetaModels/Render/Template.php(300): include('/var/www/contao...')
#3 composer/vendor/metamodels/core/src/MetaModels/ItemList.php(815): MetaModels\Render\Template->parse()
#4 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(115): MetaModels\ItemList->render()
#5 system/modules/core/classes/Hybrid.php(239): MetaModels\FrontendIntegration\HybridList->compile()
#6 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/MetaModelHybrid.php(102): Contao\Hybrid->generate()
#7 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(54): MetaModels\FrontendIntegration\MetaModelHybrid->generate()
#8 system/modules/core/library/Contao/Controller.php(484): MetaModels\FrontendIntegration\HybridList->generate()
#9 system/modules/core/modules/ModuleArticle.php(213): Contao\Controller::getContentElement()
#10 system/modules/core/modules/Module.php(287): Contao\ModuleArticle->compile()
#11 system/modules/core/modules/ModuleArticle.php(67): Contao\Module->generate()
#12 system/modules/core/library/Contao/Controller.php(417): Contao\ModuleArticle->generate()
#13 system/modules/core/library/Contao/Controller.php(277): Contao\Controller::getArticle()
#14 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule()
#15 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate()
#16 index.php(24): Contao\FrontendIndex->run()
#17 {main}
Warning: Creating default object from empty value in plugins/openurl.php on line 96
#0 plugins/openurl.php(96): __error()
#1 templates/metamodel_publications_list.html5(161): OpenURL()
#2 composer/vendor/metamodels/core/src/MetaModels/Render/Template.php(300): include('/var/www/contao...')
#3 composer/vendor/metamodels/core/src/MetaModels/ItemList.php(815): MetaModels\Render\Template->parse()
#4 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(115): MetaModels\ItemList->render()
#5 system/modules/core/classes/Hybrid.php(239): MetaModels\FrontendIntegration\HybridList->compile()
#6 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/MetaModelHybrid.php(102): Contao\Hybrid->generate()
#7 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(54): MetaModels\FrontendIntegration\MetaModelHybrid->generate()
#8 system/modules/core/library/Contao/Controller.php(484): MetaModels\FrontendIntegration\HybridList->generate()
#9 system/modules/core/modules/ModuleArticle.php(213): Contao\Controller::getContentElement()
#10 system/modules/core/modules/Module.php(287): Contao\ModuleArticle->compile()
#11 system/modules/core/modules/ModuleArticle.php(67): Contao\Module->generate()
#12 system/modules/core/library/Contao/Controller.php(417): Contao\ModuleArticle->generate()
#13 system/modules/core/library/Contao/Controller.php(277): Contao\Controller::getArticle()
#14 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule()
#15 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate()
#16 index.php(24): Contao\FrontendIndex->run()
#17 {main}
Warning: Creating default object from empty value in plugins/openurl.php on line 96
#0 plugins/openurl.php(96): __error()
#1 templates/metamodel_publications_list.html5(161): OpenURL()
#2 composer/vendor/metamodels/core/src/MetaModels/Render/Template.php(300): include('/var/www/contao...')
#3 composer/vendor/metamodels/core/src/MetaModels/ItemList.php(815): MetaModels\Render\Template->parse()
#4 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(115): MetaModels\ItemList->render()
#5 system/modules/core/classes/Hybrid.php(239): MetaModels\FrontendIntegration\HybridList->compile()
#6 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/MetaModelHybrid.php(102): Contao\Hybrid->generate()
#7 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(54): MetaModels\FrontendIntegration\MetaModelHybrid->generate()
#8 system/modules/core/library/Contao/Controller.php(484): MetaModels\FrontendIntegration\HybridList->generate()
#9 system/modules/core/modules/ModuleArticle.php(213): Contao\Controller::getContentElement()
#10 system/modules/core/modules/Module.php(287): Contao\ModuleArticle->compile()
#11 system/modules/core/modules/ModuleArticle.php(67): Contao\Module->generate()
#12 system/modules/core/library/Contao/Controller.php(417): Contao\ModuleArticle->generate()
#13 system/modules/core/library/Contao/Controller.php(277): Contao\Controller::getArticle()
#14 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule()
#15 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate()
#16 index.php(24): Contao\FrontendIndex->run()
#17 {main}
Warning: Creating default object from empty value in plugins/openurl.php on line 96
#0 plugins/openurl.php(96): __error()
#1 templates/metamodel_publications_list.html5(161): OpenURL()
#2 composer/vendor/metamodels/core/src/MetaModels/Render/Template.php(300): include('/var/www/contao...')
#3 composer/vendor/metamodels/core/src/MetaModels/ItemList.php(815): MetaModels\Render\Template->parse()
#4 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(115): MetaModels\ItemList->render()
#5 system/modules/core/classes/Hybrid.php(239): MetaModels\FrontendIntegration\HybridList->compile()
#6 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/MetaModelHybrid.php(102): Contao\Hybrid->generate()
#7 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(54): MetaModels\FrontendIntegration\MetaModelHybrid->generate()
#8 system/modules/core/library/Contao/Controller.php(484): MetaModels\FrontendIntegration\HybridList->generate()
#9 system/modules/core/modules/ModuleArticle.php(213): Contao\Controller::getContentElement()
#10 system/modules/core/modules/Module.php(287): Contao\ModuleArticle->compile()
#11 system/modules/core/modules/ModuleArticle.php(67): Contao\Module->generate()
#12 system/modules/core/library/Contao/Controller.php(417): Contao\ModuleArticle->generate()
#13 system/modules/core/library/Contao/Controller.php(277): Contao\Controller::getArticle()
#14 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule()
#15 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate()
#16 index.php(24): Contao\FrontendIndex->run()
#17 {main}
Warning: Creating default object from empty value in plugins/openurl.php on line 96
#0 plugins/openurl.php(96): __error()
#1 templates/metamodel_publications_list.html5(161): OpenURL()
#2 composer/vendor/metamodels/core/src/MetaModels/Render/Template.php(300): include('/var/www/contao...')
#3 composer/vendor/metamodels/core/src/MetaModels/ItemList.php(815): MetaModels\Render\Template->parse()
#4 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(115): MetaModels\ItemList->render()
#5 system/modules/core/classes/Hybrid.php(239): MetaModels\FrontendIntegration\HybridList->compile()
#6 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/MetaModelHybrid.php(102): Contao\Hybrid->generate()
#7 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(54): MetaModels\FrontendIntegration\MetaModelHybrid->generate()
#8 system/modules/core/library/Contao/Controller.php(484): MetaModels\FrontendIntegration\HybridList->generate()
#9 system/modules/core/modules/ModuleArticle.php(213): Contao\Controller::getContentElement()
#10 system/modules/core/modules/Module.php(287): Contao\ModuleArticle->compile()
#11 system/modules/core/modules/ModuleArticle.php(67): Contao\Module->generate()
#12 system/modules/core/library/Contao/Controller.php(417): Contao\ModuleArticle->generate()
#13 system/modules/core/library/Contao/Controller.php(277): Contao\Controller::getArticle()
#14 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule()
#15 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate()
#16 index.php(24): Contao\FrontendIndex->run()
#17 {main}
1. Policy Paper - Germany 2049Schmidt, G., Schulze, F., Degreif, S., Manhart, A., Stahl, H., Buchert, M., 2015