Unable to Login as Client using version 8.13

[Damo]

I am present with the following error message. 

--> Smarty: Default handler: No template default content for 'file:templates/default/includes/captcha.tpl' <--

[Kane William]

Hello,

Here, I am sharing some steps that you need to follow to fix the issue - 
1. Verify the File:
Check if the captcha.tpl file is present in the templates/default/includes/ directory of your WHMCS installation using FTP or your hosting control panel.

2. Restore or Upload:
If the file is missing, restore it from a backup or upload a fresh copy from another WHMCS installation that includes it.

3. Check Theme Compatibility:
After upgrading WHMCS or changing your theme, the new theme may lack the file. Revert to a previous theme or choose one that includes the necessary functionality.

If you're using a custom theme, you may need to create the missing captcha.tpl file or choose a theme that includes the required functionality.

Thanks