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Fatal error: Uncaught Exception: FPDF error: Some data has already been output, can't send PDF file (output started at /www/htdocs/w0074bd8/htm/fc74/arbeitsplan/arbeitsplan-pdf.php:184) in /www/htdocs/w0074bd8/htm/fc74/fkt/PDF/fpdf.php:271 Stack trace: #0 /www/htdocs/w0074bd8/htm/fc74/fkt/PDF/fpdf.php(1052): FPDF->Error('Some data has a...') #1 /www/htdocs/w0074bd8/htm/fc74/fkt/PDF/fpdf.php(1012): FPDF->_checkoutput() #2 /www/htdocs/w0074bd8/htm/fc74/arbeitsplan/arbeitsplan-pdf.php(248): FPDF->Output('D', 'Arbeitsplan-202...') #3 {main} thrown in /www/htdocs/w0074bd8/htm/fc74/fkt/PDF/fpdf.php on line 271