Fatal error: Uncaught Exception: tFPDF error: Some data has already been output, can't send PDF file (output started at /usr/www/users/mgvozb/mgvo-prod/php-libs/basic_fkt.php:358) in /usr/www/users/mgvozb/mgvo-prod/php-libs/extpackpdf/vendor/setasign/tfpdf/tfpdf.php:277 Stack trace: #0 /usr/www/users/mgvozb/mgvo-prod/php-libs/extpackpdf/vendor/setasign/tfpdf/tfpdf.php(1258): tFPDF->Error() #1 /usr/www/users/mgvozb/mgvo-prod/php-libs/extpackpdf/vendor/setasign/tfpdf/tfpdf.php(1208): tFPDF->_checkoutput() #2 /usr/www/users/mgvozb/mgvo-prod/mgv/events/vkaljahr.php(108): tFPDF->Output() #3 {main} thrown in /usr/www/users/mgvozb/mgvo-prod/php-libs/extpackpdf/vendor/setasign/tfpdf/tfpdf.php on line 277