One place to monitor all your cloud vendors. Get instant alerts when an outage is detected.
Incident Summary
Description:
We have identified an issue where the Quickstart and dbt Core transformations are failing with the error "No macro named 'assert_not_null' found"
Timeline:
The issue started on December 4, 2025, at 09:25 UTC and was resolved on December 4, 2025, around 11:00 UTC.
Cause:
A recent release (https://hub.getdbt.com/dbt-labs/spark_utils/0.3.1/) on the DBT side caused these failures.
Resolution:
DBT fixed the issue with the new release (https://github.com/dbt-labs/spark-utils/releases/tag/0.3.2), resulting in the successful transformation runs.
A recent release (https://hub.getdbt.com/dbt-labs/spark_utils/0.3.1/) on the DBT side caused these failures. DBT fixed the issue with the new release (https://github.com/dbt-labs/spark-utils/releases/tag/0.3.2). The transformations are recovering. We will keep monitoring all impacted transformations.
We have identified an issue where the Quickstart and dbt Core transformations are failing with the error "No macro named 'assert_not_null' found". We are working to resolve it
With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.
Start free trialNo credit card required · Cancel anytime · 4600 services available
Integrations with