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