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#0 system/modules/dompdf/DompdfIgniter.php(91): __error(2, 'Use of undefine...', '/homepages/3/d1...', 91, Array)
#1 system/modules/core/modules/ModuleArticle.php(306): DompdfIgniter->generatePdf('\n
#0 system/modules/dompdf/DompdfIgniter.php(91): __error(2, 'Use of undefine...', '/homepages/3/d1...', 91, Array) #1 system/modules/core/modules/ModuleArticle.php(306): DompdfIgniter->generatePdf('\n