We had some alerts without information in SOI. The alerts arrive to SOI but they don't have a CI name. Other alerts arrive with the right with names.
Release : 4.2
Component : SOI ALERT MANAGEMENT
Check if you have deployed any extension policies on SCOM Connector, the location of policy files: \CatalystConnector\registry\topology\physical\<Hostname>_CatalystConnector\modules
If you do not have extension policies, restart “CA Catalyst Container” services on SCOM Connector this will solve the issue.