SAP Message PX081 - User &2 is not available in client &1

Diagnosis
In client &V1&, personnel number &V3& is assigned to user &V2& in theAssign User - Personnel number view (V_T513A). However, userV2 does not exist in the system.

System Response
The corresponding table entry is not converted.

Procedure
If necessary, maintain a corrected entry in the Communicationinfotype (0105).