https://legacy.forums.gravityhelp.com/topic/fatal-error-call-to-undefined-function-imagecreatetruecolor Gravity Support Forums Topic: Fatal error: Call to undefined function imagecreatetruecolor en-US Mon, 20 Apr 2026 12:01:49 +0000 http://bbpress.org/?v=1.0.1 q https://legacy.forums.gravityhelp.com/search.php https://legacy.forums.gravityhelp.com/topic/fatal-error-call-to-undefined-function-imagecreatetruecolor#post-81214 Mon, 15 Oct 2012 15:52:39 +0000 gzupfer 81214@https://legacy.forums.gravityhelp.com/ <p>Yes, that was the problem. thank you - you can close this thread. </p> https://legacy.forums.gravityhelp.com/topic/fatal-error-call-to-undefined-function-imagecreatetruecolor#post-81201 Mon, 15 Oct 2012 15:09:10 +0000 David Peralty 81201@https://legacy.forums.gravityhelp.com/ <p>Please confirm with your web host that GD library is installed (a PHP extension to make images). </p> https://legacy.forums.gravityhelp.com/topic/fatal-error-call-to-undefined-function-imagecreatetruecolor#post-81198 Mon, 15 Oct 2012 14:54:41 +0000 gzupfer 81198@https://legacy.forums.gravityhelp.com/ <p>I get the following message after submitting a simple form with signature add-on:</p> <p>Fatal error: Call to undefined function imagecreatetruecolor() in /home/nwapa/public_html/wp-content/plugins/gravityformssignature/super_signature/license.php on line 37</p> <p> Not sure how to fix it... </p>