Warning: array_push() expects parameter 1 to be array, null given in vendor/tecnickcom/tcpdf/tcpdf.php on line 16924 
#0 [internal function]: __error(2, 'array_push() ex...', '/www/htdocs/w00...', 16924, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(16924): array_push(NULL, 78)
#2 vendor/tecnickcom/tcpdf/tcpdf.php(17205): TCPDF->getHtmlDomArray(' 
generatePdf()
#5 system/modules/core/library/Contao/Controller.php(277): Contao\Controller::getArticle(Object(Contao\ArticleModel), false, false, 'main')
#6 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule('0', 'main')
#7 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate(Object(Contao\PageModel), true)
#8 index.php(20): Contao\FrontendIndex->run()
#9 {main}

Warning: array_push() expects parameter 1 to be array, null given in vendor/tecnickcom/tcpdf/tcpdf.php on line 16924 
#0 [internal function]: __error(2, 'array_push() ex...', '/www/htdocs/w00...', 16924, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(16924): array_push(NULL, 136)
#2 vendor/tecnickcom/tcpdf/tcpdf.php(17205): TCPDF->getHtmlDomArray(' 
generatePdf()
#5 system/modules/core/library/Contao/Controller.php(277): Contao\Controller::getArticle(Object(Contao\ArticleModel), false, false, 'main')
#6 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule('0', 'main')
#7 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate(Object(Contao\PageModel), true)
#8 index.php(20): Contao\FrontendIndex->run()
#9 {main}

Warning: array_push() expects parameter 1 to be array, null given in vendor/tecnickcom/tcpdf/tcpdf.php on line 16924 
#0 [internal function]: __error(2, 'array_push() ex...', '/www/htdocs/w00...', 16924, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(16924): array_push(NULL, 208)
#2 vendor/tecnickcom/tcpdf/tcpdf.php(17205): TCPDF->getHtmlDomArray(' 
generatePdf()
#5 system/modules/core/library/Contao/Controller.php(277): Contao\Controller::getArticle(Object(Contao\ArticleModel), false, false, 'main')
#6 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule('0', 'main')
#7 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate(Object(Contao\PageModel), true)
#8 index.php(20): Contao\FrontendIndex->run()
#9 {main}

Warning: array_push() expects parameter 1 to be array, null given in vendor/tecnickcom/tcpdf/tcpdf.php on line 16924 
#0 [internal function]: __error(2, 'array_push() ex...', '/www/htdocs/w00...', 16924, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(16924): array_push(NULL, 273)
#2 vendor/tecnickcom/tcpdf/tcpdf.php(17205): TCPDF->getHtmlDomArray(' 
generatePdf()
#5 system/modules/core/library/Contao/Controller.php(277): Contao\Controller::getArticle(Object(Contao\ArticleModel), false, false, 'main')
#6 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule('0', 'main')
#7 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate(Object(Contao\PageModel), true)
#8 index.php(20): Contao\FrontendIndex->run()
#9 {main}

Warning: array_push() expects parameter 1 to be array, null given in vendor/tecnickcom/tcpdf/tcpdf.php on line 16924 
#0 [internal function]: __error(2, 'array_push() ex...', '/www/htdocs/w00...', 16924, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(16924): array_push(NULL, 345)
#2 vendor/tecnickcom/tcpdf/tcpdf.php(17205): TCPDF->getHtmlDomArray(' 
generatePdf()
#5 system/modules/core/library/Contao/Controller.php(277): Contao\Controller::getArticle(Object(Contao\ArticleModel), false, false, 'main')
#6 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule('0', 'main')
#7 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate(Object(Contao\PageModel), true)
#8 index.php(20): Contao\FrontendIndex->run()
#9 {main}

Warning: Invalid argument supplied for foreach() in vendor/tecnickcom/tcpdf/tcpdf.php on line 19484 
#0 vendor/tecnickcom/tcpdf/tcpdf.php(19484): __error(2, 'Invalid argumen...', '/www/htdocs/w00...', 19484, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18289): TCPDF->closeHTMLTagHandler(Array, 410, 0, 57.6250023333)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(19516): __error(2, 'Invalid argumen...', '/www/htdocs/w00...', 19516, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18289): TCPDF->closeHTMLTagHandler(Array, 410, 0, 57.6250023333)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 [internal function]: __error(2, 'Cannot modify h...', '/www/htdocs/w00...', 7651, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(7651): header('Content-Descrip...')
#2 system/modules/core/modules/ModuleArticle.php(392): TCPDF->Output('termine.pdf', '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}
TCPDF ERROR: Some data has already been output to browser, can't send PDF file