#0 vendor/tecnickcom/tcpdf/tcpdf.php(19540): __error(2, 'Invalid argumen...', '/www/htdocs/w01...', 19540, Array) #1 vendor/tecnickcom/tcpdf/tcpdf.php(18290): TCPDF->closeHTMLTagHandler(Array, 110, 0, 229.076572275) #2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML('

#0 [internal function]: __error(2, 'Cannot modify h...', '/www/htdocs/w01...', 7646, Array) #1 vendor/tecnickcom/tcpdf/tcpdf.php(7646): header('Content-Descrip...') #2 system/modules/core/modules/ModuleArticle.php(392): TCPDF->Output('foerderverein.p...', 'D') #3 system/modules/core/library/Contao/Controller.php(399): Contao\ModuleArticle->generatePdf() #4 system/modules/core/library/Contao/Controller.php(277): Contao\Controller::getArticle(Object(Contao\ArticleModel), false, false, 'main') #5 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule('0', 'main') #6 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate(Object(Contao\PageModel), true) #7 index.php(20): Contao\FrontendIndex->run() #8 {main}