Leider ist ein (ungewöhnlicher) Fehler aufgetreten.: setasign\Fpdi\PdfParser\PdfParserException: Unable to find PDF file header. in /opt/antrag/www/vendor/setasign/fpdi/src/PdfParser/PdfParser.php:131 Stack trace: #0 /opt/antrag/www/vendor/setasign/fpdi/src/PdfParser/PdfParser.php(172): setasign\Fpdi\PdfParser\PdfParser->resolveFileHeader() #1 /opt/antrag/www/vendor/setasign/fpdi/src/PdfReader/PdfReader.php(85): setasign\Fpdi\PdfParser\PdfParser->getPdfVersion() #2 /opt/antrag/www/vendor/setasign/fpdi/src/FpdiTrait.php(215): setasign\Fpdi\PdfReader\PdfReader->getPdfVersion() #3 /opt/antrag/www/models/sectionTypes/PDF.php(183): setasign\Fpdi\Tcpdf\Fpdi->setSourceFile('VarStream://0') #4 /opt/antrag/www/models/sectionTypes/PDF.php(294): app\models\sectionTypes\PDF->printMotionToPDF(Object(app\views\pdfLayouts\DBJR), Object(app\views\pdfLayouts\DBJRPDF)) #5 /opt/antrag/www/views/amendment/LayoutHelper.php(98): app\models\sectionTypes\PDF->printAmendmentToPDF(Object(app\views\pdfLayouts\DBJR), Object(app\views\pdfLayouts\DBJRPDF)) #6 /opt/antrag/www/views/amendment/pdf_collection_tcpdf.php(29): app\views\amendment\LayoutHelper::printToPDF(Object(app\views\pdfLayouts\DBJRPDF), Object(app\views\pdfLayouts\DBJR), Object(app\models\db\Amendment)) #7 /opt/antrag/www/vendor/yiisoft/yii2/base/View.php(348): require('/opt/antrag/www...') #8 /opt/antrag/www/vendor/yiisoft/yii2/base/View.php(257): yii\base\View->renderPhpFile('/opt/antrag/www...', Array) #9 /opt/antrag/www/vendor/yiisoft/yii2/base/View.php(156): yii\base\View->renderFile('/opt/antrag/www...', Array, Object(app\controllers\AmendmentController)) #10 /opt/antrag/www/vendor/yiisoft/yii2/base/Controller.php(440): yii\base\View->render('pdf_collection_...', Array, Object(app\controllers\AmendmentController)) #11 /opt/antrag/www/controllers/AmendmentController.php(120): yii\base\Controller->renderPartial('pdf_collection_...', Array) #12 [internal function]: app\controllers\AmendmentController->actionPdfcollection(false) #13 /opt/antrag/www/vendor/yiisoft/yii2/base/InlineAction.php(57): call_user_func_array(Array, Array) #14 /opt/antrag/www/vendor/yiisoft/yii2/base/Controller.php(180): yii\base\InlineAction->runWithParams(Array) #15 /opt/antrag/www/vendor/yiisoft/yii2/base/Module.php(528): yii\base\Controller->runAction('pdfcollection', Array) #16 /opt/antrag/www/vendor/yiisoft/yii2/web/Application.php(103): yii\base\Module->runAction('amendment/pdfco...', Array) #17 /opt/antrag/www/vendor/yiisoft/yii2/base/Application.php(386): yii\web\Application->handleRequest(Object(yii\web\Request)) #18 /opt/antrag/www/web/index.php(45): yii\base\Application->run() #19 {main}