Checking for Repository Processing Errors 
Use
If errors in the following repository operations occur, the
CCMS system repository reports them in the monitoring architecture (Transaction RZ20):Procedure
If the MTE is highlighted in red, this usually means that the repository was unable to complete data collection fully on the local system, or that it unable to complete reconciling data with the central repository.

Before you purge a system repository, you should determine whether it is a central repository, or if it has been registered with a central repository. If so, you must also purge the central repository and all subsidiary repositories that have been registered with it. You must then repeat the registration process for each repository.
You can refill a repository when you