#0 [internal function]: __error(2, 'chr() expects p...', '/var/www/wph7sz...', 1671, Array)
#1 vendor/tecnickcom/tcpdf/include/tcpdf_fonts.php(1671): chr('')
#2 vendor/tecnickcom/tcpdf/include/tcpdf_fonts.php(1803): TCPDF_FONTS::unichr('', true)
#3 vendor/tecnickcom/tcpdf/include/tcpdf_fonts.php(2095): TCPDF_FONTS::UTF8ArrSubString(Array, 0, 1, true)
#4 vendor/tecnickcom/tcpdf/tcpdf.php(1960): TCPDF_FONTS::utf8Bidi(Array, '', false, true, NULL)
#5 system/modules/core/modules/ModuleArticle.php(353): TCPDF->__construct('P', 'mm', 'A4', true)
#6 system/modules/core/library/Contao/Controller.php(399): Contao\ModuleArticle->generatePdf()
#7 system/modules/core/library/Contao/Controller.php(277): Contao\Controller::getArticle(Object(Contao\ArticleModel), false, false, 'main')
#8 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule('0', 'main')
#9 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate(Object(Contao\PageModel), true)
#10 index.php(20): Contao\FrontendIndex->run()
#11 {main}

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 39, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 50, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 61, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 72, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 83, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 94, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 105, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 116, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 127, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 138, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 149, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 160, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 171, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 182, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 193, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 204, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 215, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 226, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 237, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 248, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 259, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 270, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 281, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 292, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 303, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 314, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 325, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 336, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 347, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 358, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 369, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 380, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 391, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 402, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 413, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 424, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 435, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 446, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 457, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 468, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 479, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 490, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 501, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 512, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 523, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 534, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 545, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 556, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 567, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 578, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 589, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 600, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 611, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 622, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 633, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 644, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 655, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/var/www/wph7sz...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 666, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 

#0 [internal function]: __error(2, 'Cannot modify h...', '/var/www/wph7sz...', 7645, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(7645): header('Content-Descrip...')
#2 system/modules/core/modules/ModuleArticle.php(392): TCPDF->Output('gallery.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}