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Fatal error: Uncaught Exception: FPDF error: Some data has already been output, can't send PDF file (output started at /var/www/vhosts/sivelp.it/httpdocs/gestionale/form/stampa_modulo_servizi.php:15) in /var/www/vhosts/sivelp.it/httpdocs/gestionale/oggetti/fpdf.php:271 Stack trace: #0 /var/www/vhosts/sivelp.it/httpdocs/gestionale/oggetti/fpdf.php(1049): FPDF->Error('Some data has a...') #1 /var/www/vhosts/sivelp.it/httpdocs/gestionale/oggetti/fpdf.php(999): FPDF->_checkoutput() #2 /var/www/vhosts/sivelp.it/httpdocs/gestionale/form/stampa_modulo_servizi.php(117): FPDF->Output() #3 {main} thrown in /var/www/vhosts/sivelp.it/httpdocs/gestionale/oggetti/fpdf.php on line 271