# What this PR does
Restart `send_link_to_channel_message_or_fallback_to_full_alert_group`
task without retry on the first run if alert group telegram message
doesn't exist. On the second run raise Exception
## Which issue(s) this PR fixes
https://github.com/grafana/oncall-private/issues/2492
## 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)
