Issue found while working on #14233 (testing).

Link to issue number:

None

Summary of the issue:

When an error occurs while switching profile manually, a message box indicates that there has been an error, but nothing in the message box nor in the log indicates the source of error (no traceback...).

Description of user facing changes

When profile switching fails, the traceback of the error is logged.

Description of development approach

Added the log

Testing strategy:

Manual testing:

• Created a new profile
• Manually edited the file to make it invalid, e.g. remove "]" in a section name.
• Manually activate the profile
• Check the log

Known issues with pull request:

None

Change log entries:

Do not deserve change log.

Code Review Checklist:

• Pull Request description:
  • description is up to date
  • change log entries
• Testing:
  • Unit tests
  • System (end to end) tests
  • Manual testing
• API is compatible with existing add-ons.
• Documentation:
  • User Documentation
  • Developer / Technical Documentation
  • Context sensitive help for GUI changes
• UX of all users considered:
  • Speech
  • Braille
  • Low Vision
  • Different web browsers
  • Localization in other languages / culture than English
• Security precautions taken.