Cant download PDF

[Linley_Gerard_Sharp]

ATTENTION! version 1.5.9.

An uncaught Exception was encountered

Type: Mpdf\MpdfException

Message: PDFA and PDFX do not permit transparency, so mPDF does not allow Watermarks!

Filename: /home/fmsolfroud/public_html/invoicing/vendor/mpdf/mpdf/src/Mpdf.php

Line Number: 12071

Backtrace:

File: /home/fmsolfroud/public_html/invoicing/vendor/mpdf/mpdf/src/Mpdf.php
Line: 14635
Function: watermark

File: /home/fmsolfroud/public_html/invoicing/vendor/mpdf/mpdf/src/Mpdf.php
Line: 1984
Function: Footer

File: /home/fmsolfroud/public_html/invoicing/vendor/mpdf/mpdf/src/Mpdf.php
Line: 9227
Function: Close

File: /home/fmsolfroud/public_html/invoicing/application/helpers/mpdf_helper.php
Line: 115
Function: Output

File: /home/fmsolfroud/public_html/invoicing/application/helpers/pdf_helper.php
Line: 106
Function: pdf_create

File: /home/fmsolfroud/public_html/invoicing/application/modules/invoices/controllers/Invoices.php
Line: 266
Function: generate_invoice_pdf

File: /home/fmsolfroud/public_html/invoicing/index.php
Line: 325
Function: require_once

Need this fixed urgently please. Client waiting for the invoice.

[Linley_Gerard_Sharp]

Closed. Solved. Thanks.

[M4rt1n]

If you could share your solution with us this would be very helpful, if others encounter the same Error.
Until then I would not mark this thread as solved as the solution to this problem is not described here.

Thanks in advance