#0 system/modules/gf50/templates/sondergewinnspiele.html5(39): __error(2, 'Invalid argumen...', '/var/customers/...', 39, Array)
#1 system/modules/core/library/Contao/Template.php(276): include('/var/customers/...')
#2 system/modules/core/classes/FrontendTemplate.php(37): Contao\Template->parse()
#3 system/modules/core/elements/ContentElement.php(183): Contao\FrontendTemplate->parse()
#4 system/modules/gf50/modules/ContentGF50.php(72): Contao\ContentElement->generate()
#5 system/modules/core/library/Contao/Controller.php(456): ContentGF50->generate()
#6 system/modules/core/modules/ModuleArticle.php(196): Contao\Controller->getContentElement(Object(Contao\ContentModel), 'main')
#7 system/modules/core/modules/Module.php(148): Contao\ModuleArticle->compile()
#8 system/modules/core/modules/ModuleArticle.php(59): Contao\Module->generate()
#9 system/modules/core/library/Contao/Controller.php(392): Contao\ModuleArticle->generate(false)
#10 system/modules/core/library/Contao/Controller.php(254): Contao\Controller->getArticle(Object(Contao\ArticleModel), false, false, 'main')
#11 system/modules/core/pages/PageRegular.php(138): Contao\Controller->getFrontendModule('0', 'main')
#12 index.php(253): Contao\PageRegular->generate(Object(Contao\PageModel), true)
#13 index.php(437): Index->run()
#14 {main}