You may get an error like “JSON Parse error” while creating a new e-mail account via cPanel.
This can be fixed by following the below steps in WHM.
♦ Login to WHM (https://x.x.x.x:2086 or httpss://x.x.x.x:2087)
♦ WHM>>tweak settings>>admin>>Allow other applications to run the cPanel and admin binaries (on)
Now try to create a new e-mail account via cPanel, and it will get created without any issues 🙂