If you are getting this type error in your clientarea:
The possible reasons are:
You have Enable Custom Header and custom footer option from the admin side but file are still not included. Please find the link below
Please verify these steps below
Step 1: Log in to WHMCS Admin
Step 2: Go to Addons > WGS ClientX > Settings
Step 3: After clicking on the setting button you will see the general settings as show in the screenshot below
Step 4: In General setting you can see the options from where you can uncheck these two options as shown in the below screenshot.
Step 5: Then click on save changes and check on client area
Note: Now default clientx header footer will be in shown at client area. To use your custom header footer follow this Link
