Location path is too long

Problem

'The specified path, file name, or both are too long. The fully qualified file name must be less than 260 characters and the directory name must be less than 248 characters' error visible:

Solution

1. Navigate to 'C:\Users\[User]\AppData\Roaming\Tools 4 Revit\Wall+ [RevitVersion] User Settings'

2. Open the PathConfiguration.xml

3. that is too long

4. You will then be able to open the Configuration Files Location window as before