A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/beimcbei/public_html/sitios/polyelasto.com/pdf-cotizacion/vendor/mpdf/mpdf/src/Mpdf.php:2213)

Filename: core/Common.php

Line Number: 570

Backtrace:

An uncaught Exception was encountered

Type: Mpdf\MpdfException

Message: Data has already been sent to output, unable to output PDF file

Filename: /home/beimcbei/public_html/sitios/polyelasto.com/pdf-cotizacion/vendor/mpdf/mpdf/src/Mpdf.php

Line Number: 9425

Backtrace:

File: /home/beimcbei/public_html/sitios/polyelasto.com/pdf-cotizacion/application/controllers/Cotizacion.php
Line: 99
Function: Output

File: /home/beimcbei/public_html/sitios/polyelasto.com/pdf-cotizacion/index.php
Line: 315
Function: require_once