Issue description: Some Trainers were unable to close the Weekly Challenge completion pop-up, preventing them from continuing gameplay.

Issue status:
We have removed the pop-up that could not be closed and provided the following compensation:

• Affected Trainers have received 6,000 Stardust and 20,000 XP.
• Trainers who were forced to exit the Weekly Challenge mid-progress have received the remaining amount of Stardust 4,000 and 20,000 XP.

The Weekly Challenge feature has been temporarily disabled while we continue our investigation.