Pardot Connectors Failing with Error "while syncing object type com.fivetran.integrations.pardot.model.ExternalActivity"

This incident has been resolved. We have observed that instance rates have returned to normal levels and affected Connections are syncing successfully.

Incident Summary
Description:
We identified an issue for the Pardot Connector, which resulted in syncs failing with an error containing "while syncing object type com.fivetran.integrations.pardot.model.ExternalActivity".

Timeline:
This issue began on December 20th at 07:11 UTC and was resolved on December 20th at 14:19 UTC.

Cause:
An unexpected error code started to be returned from the Pardot API with queries to the `/external-activities` endpoint. Requests to this endpoint started to fail with a "404 Not Found" error and response code of "198". This error and response code was identified to be undocumented in Pardot documentation.

Resolution:
We raised a fix to handle this new error code, ensuring Pardot connections hitting this error proceeded successfully.

Pardot Connectors are failing with an Error containing `while syncing object type com.fivetran.integrations.pardot.model.ExternalActivity`.

We have confirmed this is due to an unexpected error code returned when the Pardot API with queries to the `/external-activities` endpoint. In some cases we have identified that calls to this endpoint now fail with a "404 Not Found" error and response code of "198".

We have deployed a fix to handle for this error and response code. We are continuing to monitor to ensure the success of the fix.

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