Fivetran: HubSpot Connections Failing with NullPointerException for email_campaign

Update timeline

1. identified Mar 03, 2026, 06:25 PM UTC

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

2. identified Mar 03, 2026, 07:52 PM UTC

   We have identified the root cause of the issue: recent changes to the HubSpot connector introduced a NullPointerException in the email_campaign object, resulting in sync failures, and we are actively working on a hotfix to resolve it.

3. monitoring Mar 03, 2026, 10:05 PM UTC

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

4. resolved Mar 03, 2026, 10:20 PM UTC

   This incident has been resolved. We have observed that instance rates are returning to normal levels and affected connectors are syncing successfully. Incident Summary Description: We identified an issue impacting Hubspot connections, which resulted in syncs failing with the following error: "Failed to sync 1 endpoint(s) with error: {email_campaign=java.lang.NullPointerException: Cannot invoke <>" Timeline: This issue began on 2026-03-03 at 18:00 UTC and was resolved on 2026-02-25 at 22:00 UTC. Cause: This was determined to be caused by a change in connector sync behavior. Resolution: The changes to the sync strategy have been reverted and connections are now syncing successfully.