Mediation Group Save Error After A/B Test - Urgent

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Kanta Dev

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Oct 24, 2025, 2:23:50 AM (8 days ago)  Oct 24
to Google Mobile Ads SDK Developers

Dear Google Mobile Ads SDK Support Team,

Issue:Since completing our A/B test, any modification to the mediation group fails to save with an error message. This makes it impossible to optimize our ad settings. We're forced to create dummy A/B tests, configure Variant B with desired settings, start the test, and immediately apply Variant B to 100% of users.

Troubleshooting Completed:

  • Cleared browser cache
  • Tried different browsers (Chrome, Safari, Firefox)
  • Used incognito mode
  • Issue persists across all attempts

Please investigate this save functionality bug and provide a solution. This is severely impacting our ability to manage mediation effectively.

Screenshots of the error message are attached.

Thank you for your urgent attention.

image (50).png
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