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Fatal error: Uncaught Exception: TCPDF ERROR: Some data has already been output, can't send PDF file in /usr/www/users/lukaso/2019/rescue/downloads/vendor/tecnickcom/tcpdf/tcpdf.php:2950 Stack trace: #0 /usr/www/users/lukaso/2019/rescue/downloads/vendor/tecnickcom/tcpdf/tcpdf.php(7642): TCPDF->Error('Some data has a...') #1 /usr/www/users/lukaso/2019/rescue/downloads/vendor/spipu/html2pdf/src/Html2Pdf.php(575): TCPDF->Output('LSC_99_MINISCHN...', 'I') #2 /usr/www/users/lukaso/2019/rescue/downloads/index.php(184): Spipu\Html2Pdf\Html2Pdf->output('LSC 99 MINISCHN...', 'I') #3 {main} thrown in /usr/www/users/lukaso/2019/rescue/downloads/vendor/tecnickcom/tcpdf/tcpdf.php on line 2950