It sounds like you may not have the GD image library installed on your server.
https://www.php.net/manual/en/function.imagecreatefromjpeg.php
https://www.php.net/manual/en/image.installation.php
It sounds like you may not have the GD image library installed on your server.
https://www.php.net/manual/en/function.imagecreatefromjpeg.php
https://www.php.net/manual/en/image.installation.php
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