While trying to change the password, if you get the following error:
“ERROR: Invalid session ID detected”

As a resolution to this issue, please follow the steps mentioned as under:

1. Follow the path Admin CP> Templates> Manage Templates> Expand All

2. You will see some of your templates in Red [in this case only the ‘changepassword’ template is responsible for this issue]

3. Please restore the templates in red by following the below mentioned path:

Admin CP -> Templates -> Manage Templates -> click on the template you need to restore -> Restore

4. Admin CP >> Diagnostics >> Rebuild Cache

Try changing the password from Support Center >> My Account