I am getting error when I use Knp\Snappy\Pdf


#1

When I try to download PDF using Knp\Snappy\Pdf, I got following error.


The header content contains invalid characters!
The request could not be proxied because some headers contained invalid data.

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Do you know why I am getting this?

The header is following.

Content-Disposition: attachment; filename=some.pdf
Content-Type: application/pdf

I did not get this error on my development environment.

Best regards,


#2

Could you resolve this issue. If you did I would like to know how !! I have similar issue on file download


#3

could you tell in more detail what are you trying to do and how to reproduce the problem.
maybe share a workspace where this happens