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#0 vendor/tecnick.com/tcpdf/tcpdf.php(19581): __error(2, 'Invalid argumen...', '/var/www/vhosts...', 19581, Array)
#1 vendor/tecnick.com/tcpdf/tcpdf.php(18387): TCPDF->closeHTMLTagHandler(Array, 7, 0, 38.045833666667)
#2 system/modules/core/modules/ModuleArticle.php(361): TCPDF->writeHTML(' 
#0 vendor/tecnick.com/tcpdf/tcpdf.php(19613): __error(2, 'Invalid argumen...', '/var/www/vhosts...', 19613, Array)
#1 vendor/tecnick.com/tcpdf/tcpdf.php(18387): TCPDF->closeHTMLTagHandler(Array, 7, 0, 38.045833666667)
#2 system/modules/core/modules/ModuleArticle.php(361): TCPDF->writeHTML('