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Fatal error: Uncaught Exception: FPDF error: Some data has already been output, can't send PDF file in D:\inetpub\webs\campionandoalivornoit\fpdf\fpdf.php:267 Stack trace: #0 D:\inetpub\webs\campionandoalivornoit\fpdf\fpdf.php(1058): FPDF->Error() #1 D:\inetpub\webs\campionandoalivornoit\fpdf\fpdf.php(1004): FPDF->_checkoutput() #2 D:\inetpub\webs\campionandoalivornoit\fpdf\tutorial\class.php(224): FPDF->Output() #3 {main} thrown in D:\inetpub\webs\campionandoalivornoit\fpdf\fpdf.php on line 267