Customer update records fro property 'sn_appclient.last.processed.checksum' is causing confusionDescriptionReviewing the skipped items during the upgrade, the customer can have a skipped item for 'sn_appclient.last.processed.checksum' system property. However, can not take an action on this skipped record since the admin user can not modify the system property. The system property is updated when the list of available applications changes. It can be when a user refreshes the application list or automatically by the job refreshing that list. Steps to Reproduce 1- Upgrade the instance2- Notice there is a skipped item for the property 'sn_appclient.last.processed.checksum' which can not be actioned by an admin user.WorkaroundThis skipped upgrade history records related to the system property can be ignored. Related Problem: PRB1389563