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Fatal error: Uncaught Exception: FPDF error: Some data has already been output, can't send PDF file in /var/www/vhosts/tourofsicily.com/httpdocs/pdf/fpdf.php:271 Stack trace: #0 /var/www/vhosts/tourofsicily.com/httpdocs/pdf/fpdf.php(1063): FPDF->Error() #1 /var/www/vhosts/tourofsicily.com/httpdocs/pdf/fpdf.php(999): FPDF->_checkoutput() #2 /var/www/vhosts/tourofsicily.com/httpdocs/pdf/create.php(192): FPDF->Output() #3 {main} thrown in /var/www/vhosts/tourofsicily.com/httpdocs/pdf/fpdf.php on line 271