No Thumbnails generated due to security issue

This is what the error log says:

[12-Feb-2024 18:19:44 UTC] ImagickException: attempt to perform an operation not allowed by the security policy `PDF’ @ error/constitute.c/IsCoderAuthorized/422 in /data/web/
Stack trace: 0 /data/web/ Imagick->readImage() 1 /data/web/ pdf_thumbnail_generator->generate_thumbnail() 2 /data/web/ pdf_thumbnail_generator->admin_options_page() 3 /data/web/ WP_Hook->apply_filters() 4 /data/web/ WP_Hook->do_action() 5 /data/web/ do_action() 6 /data/web/ require_once(‘/data/web/joh.b…’) 7 {main}

I did not define any special security policy, do you have any clue for me?

Tx Hanno


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