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(2, 'chr() expects p...', '/home/buserund/...', 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}

Warning: Illegal string offset 'url' in vendor/tecnickcom/tcpdf/tcpdf.php on line 18807
#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/home/buserund/...', 18807, Array)
#1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 32, 0)
#2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML(' 
#0 vendor/tecnickcom/tcpdf/tcpdf.php(18807): __error(2, 'Illegal string ...', '/home/buserund/...', 18807, Array) #1 vendor/tecnickcom/tcpdf/tcpdf.php(18278): TCPDF->openHTMLTagHandler(Array, 46, 0) #2 system/modules/core/modules/ModuleArticle.php(388): TCPDF->writeHTML('