# What this PR does
Fixes an issue where OnCall could not parse Alerting configuration if
there was a route created without a receiver. The case where this comes
up is a notification policy matcher is defined for the purpose of
ignoring certain label values before continuing on to other matching
rules.
## Which issue(s) this PR fixes
## Checklist
- [ ] Unit, integration, and e2e (if applicable) tests updated
- [ ] 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)
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