Outage in Fivetran

Fivetran: Marketo Connections Experiencing Sync Failures

Resolved Minor

May 10, 2026 - Started about 6 hours ago - Lasted about 3 hours
Official incident page

Incident Report

Summary AI Generated

Fivetran's Marketo connections experienced sync failures for 2.5 hours due to a "PROGRAM_MEMBERSHIP: fields not specified" error caused by a recent connector change that impacted API requests. The issue was resolved by reverting the problematic change and redeploying the fix, with success rates returning to normal levels.

The Marketo connections are failing with “PROGRAM_MEMBERSHIP: fields not specified” Error. The issue has been identified and we are working to resolve it.

Components affected

Fivetran Marketo

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Latest Updates ( sorted recent to last )

RESOLVED about 4 hours ago - at 05/10/2026 12:39PM

This incident has been resolved. We have observed that success rates are returning to normal levels and affected connections are syncing successfully.

Incident Summary

Description:
Affected Marketo connections experienced sync failures with error PROGRAM_MEMBERSHIP: fields not specified

Timeline:
This issue began on 2025-05-08 16:00:00 UTC and was resolved on 2025-05-10 12:30:00 UTC.

Cause:
A recent connector change unintentionally impacted requests to the affected endpoint, resulting in sync failures.

Resolution:
The change introducing the issue was reverted, and the fix was successfully deployed.

MONITORING about 4 hours ago - at 05/10/2026 12:30PM

A fix has been implemented and we are monitoring the results.

IDENTIFIED about 6 hours ago - at 05/10/2026 10:10AM

The Marketo connections are failing with “PROGRAM_MEMBERSHIP: fields not specified” Error. The issue has been identified and we are working to resolve it.

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