Outage in Fivetran

Fivetran: AppsFlyer connections failing with "No enum constant com.fivetran.flag.FlagName.FlagEnum.AppsFlyerUniversalTableDeselection"

Resolved Minor
November 27, 2025 - Started 1 day ago - Lasted about 2 hours
Official incident page

Incident Report

The issue has been identified and we are working to resolve it.
Components affected
Fivetran AppsFlyer

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Latest Updates ( sorted recent to last )
RESOLVED 1 day ago - at 11/27/2025 03:47AM

Incident Summary

Description:
We identified an issue with the AppsFlyer connections failing with "No enum constant com.fivetran.flag.FlagName.FlagEnum.AppsFlyerUniversalTableDeselection"

Timeline:
The issue began on 26 November around 10:37:49 PM UTC and was resolved on 27 November around 1:15:38 AM UTC.

Cause:
A recent change introduced a case mismatch in the feature flag name used by the AppsFlyer connection, resulting in a runtime enum error.

Resolution:
The flag name was corrected to match the enum definition, and the fix was deployed. After deployment, AppsFlyer connections sync successfully.

MONITORING 1 day ago - at 11/27/2025 02:50AM

A fix has been deployed, and sync failures are no longer occurring. We are monitoring the connections.

IDENTIFIED 1 day ago - at 11/27/2025 02:10AM

We’ve identified the cause of the connection sync failures. A fix is being actively deployed, and we will continue to monitor progress.

IDENTIFIED 1 day ago - at 11/27/2025 01:45AM

The issue has been identified and we are working to resolve it.

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