This incident is resolved. All incorrect data have been fixed, including historical data.
Posted Dec 22, 2018 - 19:17 PST
Update
This issue has been fixed for all new data from Heap Connect syncs. Only Sources event (https://docs.heapanalytics.com/docs/sources) tables are affected. Affected tables are being resynced with fixed data. Issue will be fully resolved in 24 hours.
Posted Dec 22, 2018 - 08:02 PST
Identified
We have identified the issue. A subset of Heap Connect customers' Sources event (https://docs.heapanalytics.com/docs/sources) tables have event properties that are incorrectly set to null.
Event tables that are not from Sources are not affected. Missing data is not lost and will be restored.
Posted Dec 21, 2018 - 23:40 PST
Investigating
We are currently investigating an issue where a subset of Heap Connect customers are experiencing null values of event properties.