# What this PR does
Fix alert group columns validation: - validate column ids by each type
separately
## Which issue(s) this PR fixes
validation check from this issue -
https://github.com/grafana/oncall-private/issues/2378
## Checklist
- [x] Unit, integration, and e2e (if applicable) tests updated
- [x] Documentation added (or `pr:no public docs` PR label added if not
required)
- [x] `CHANGELOG.md` updated (or `pr:no changelog` PR label added if not
required)