Bug #1264

FM - MSN - Error Message 'invalid_request: invalid redirect_uri' appears frequently

Status:	In Progress
Priority:	Medium
Added by:	a...s@betahub.io on April 17, '26
Assigned to:	Unassigned
Due date:
Reported for:	Patch Notes Version 1.76.0-9
Platform:	ms_start

Steps to Reproduce

1. Launch the game
2. Play a few minutes - merge items, harvest resources, etc.

Explanation

Actual result:
A technical error pop-up frequently interrupts gameplay. Every 5–10 clicks, the game triggers an authentication-related error message. This appears to be a mismatch in the app's redirect configuration.
The error message is:
invalid_request: The provided value for the input parameter 'redirect_uri' is not valid. The expected value is a URI which matches a redirect URI registered for this client application.

Expected result:
The game should process clicks and player actions smoothly without triggering authentication errors or pop-ups.

NOTE:
This issue has been reported by 5 players on MSN. Affecting MSN only.
QA was able to repro.
This issue isn't affecting other games, only FMV.

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