Symptom
A Slack channel stopped receiving alerts, or a test does not appear.
Most likely causes
- The incoming webhook was revoked or the app was removed in Slack.
- The webhook points at a channel that was archived or renamed.
- No routing rule connects an incident to the channel.
How to confirm
Send a test from Fajita and open the channel's delivery history. A rejected delivery shows the error category.
Resolution
- Recreate the incoming webhook in Slack and replace the stored URL.
- Confirm the target channel still exists.
- Add or fix a routing rule.
What Fajita records
Each attempt is recorded in delivery history. See Slack alerts.
When to contact support
If a fresh webhook still fails, contact support with the delivery reference.