Diagnosis
Processor &V1& is assigned to processing group &V2&.
For business partner &V1&, no user was found in the master data.
The assignment between business partner &V1& and a user must haveexisted before and is now no longer available.

System Response
This entry in the processing group will not be downloaded to a routingserver because no user is available.

Procedure
Check if user (employee data) for business partner &V1& with roleemployee exists, and if not, a user can be entered again.