SAP Message PX077 - Personnel number &2 is assigned several times in client &1

Diagnosis
In client &V1&, more than one user was assigned to the personnel numberV2 in the view assignment: user - personnel number (v_t513a)It is, however, only possible to assign one user to a personnel number.

System Response
The relevant table entries are not converted.

Procedure
Maintain the correct entries in the Communication infotype(0105).