Critical error wordpress on creating PDF

We have just activated cloudflare on our website. Only when CF is activated and running we get a critical wordpress error when our server sided script tries to create a PDF brochure. (try to print a property brochure on www.gruposoltura.com)

Cause the script uses images from the server we have created a firewall rule allowing traffic from its own server IP. Still this does not solve the problem.

Does anyone have an idea how to solve this?

Rgds
R

Were you seeing something in the Firewall Log that was connected to this error?

Try allowing it to “bypass” not allow!

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