Enable the GD PHP Module in cPanel
Solution Log into your server via WHM/cPanel via url like ‘https://10.20.30.40:2086/’ Selecte ‘Update Apache’ under the ‘Software’ section of WHM on the left side near the bottom. Next put a check beside ‘GD’ on the right side of WHM and selected ‘Start Build’. Once it’s finished rebuilding Apache, you’re done!