Warning: chr() expects parameter 1 to be int, string given in vendor/tecnickcom/tcpdf/include/tcpdf_fonts.php on line 1671
#0 [internal function]: __error()
#1 vendor/tecnickcom/tcpdf/include/tcpdf_fonts.php(1671): chr()
#2 vendor/tecnickcom/tcpdf/include/tcpdf_fonts.php(1803): TCPDF_FONTS::unichr()
#3 vendor/tecnickcom/tcpdf/include/tcpdf_fonts.php(2099): TCPDF_FONTS::UTF8ArrSubString()
#4 vendor/tecnickcom/tcpdf/tcpdf.php(1963): TCPDF_FONTS::utf8Bidi()
#5 system/modules/core/modules/ModuleArticle.php(353): TCPDF->__construct()
#6 system/modules/core/library/Contao/Controller.php(399): Contao\ModuleArticle->generatePdf()
#7 system/modules/core/library/Contao/Controller.php(277): Contao\Controller::getArticle()
#8 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule()
#9 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate()
#10 index.php(20): Contao\FrontendIndex->run()
#11 {main}

Warning: Cannot modify header information - headers already sent by (output started at /mnt/web210/c3/25/5156625/htdocs/_contao-3.5/system/helper/functions.php:65) in vendor/tecnickcom/tcpdf/tcpdf.php on line 7646
#0 [internal function]: __error()
#1 vendor/tecnickcom/tcpdf/tcpdf.php(7646): header()
#2 system/modules/core/modules/ModuleArticle.php(392): TCPDF->Output()
#3 system/modules/core/library/Contao/Controller.php(399): Contao\ModuleArticle->generatePdf()
#4 system/modules/core/library/Contao/Controller.php(277): Contao\Controller::getArticle()
#5 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule()
#6 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate()
#7 index.php(20): Contao\FrontendIndex->run()
#8 {main}
TCPDF ERROR: Some data has already been output to browser, can't send PDF file