Direct answer
Clear guidance from the official HubNova knowledge base.

Check the source connection, target channel, and Send Messages/embed permissions. Then use the test notification in the alert editor.
Clear guidance from the official HubNova knowledge base.
Aligned with the current dashboard, Discord, and mobile app.
Open a support ticket when you need additional help.
Check the source connection, target channel, and Send Messages/embed permissions. Then use the test notification in the alert editor.
View the related tutorials or open a support ticket for personal assistance.