Needed to look into what alert actions were failing. This shows what failed over the last 7 days. You can make it into a report if you wish.
Here is the SWQL query.
SELECT
[History].AlertObjects.AlertConfigurations.DisplayName
, [History].AlertObjects.AlertConfigurations.AlertMessage
, [History].AlertObjects.EntityCaption
-- , [History].AlertObjects.EntityDetailsUrl
-- , [History].EventType
, [Actions].Description
, [History].Message
, TOLOCAL ([History].TimeStamp) AS TimeStamp
FROM Orion.AlertHistory AS [History]
LEFT JOIN Orion.Actions AS [Actions]
ON [History].ActionID = [Actions].ActionID
Where Message like '%ErrorMessage%' AND daydiff([History].TimeStamp ,getdate()) < 7
ORDER BY [History].TimeStamp DESC