You must set the policy of ImageMagick to allow PDF read. See https://stackoverflow.com/questions/52703123/override-default-imagemagick-policy-xml × Dismiss this notification

ImagickException: Zero size image string passed in /home/albawaba/public_html/e/mod/securepdf/view.php:98 Stack trace: #0 /home/albawaba/public_html/e/mod/securepdf/view.php(98): Imagick->readImageBlob() #1 {main}