Performance Management DMService.log file has errors regarding "ID Translation issue".
Example
ERROR | RIB-Query-35 | YYYY-MM-DD HH:MM:SS,### | com.ca.im.rib.engine.query.tgt.TargetedRIBQueryInvoker
| ID Translation issue
Performance Management
These are informational errors noting that an item does not have an item on a data source that corresponds to the PC item ID.
These log items are informational, unless you are seeing a specific issue in a view/dashboard/context page that corresponds with the error, they can be ignored.