Sentry 21.4.0.dev0 on-premise (self-hosted).
Slack is integrated, inside Integtarions → Slack status is “Enabled”
I can create any rules for any project, added Sentry to my channel, but if I will generate test issue inside any project with rules - there is no any messages inside slack.
Why? How I can troubleshoot this problem?
Alert rule is quite simply: