Message SAP XC007 - Model &1/&2/&3 is currently being activated/deactivated by user &4

Diagnosis
At least one parallel activation or deactivation of this integrationmode is currently taking place.
Integration model &V1& / &V2& / &V3& is already being processed by userV4.

System Response
Parallel activation or deactivation of an integration model (includingdifferent versions) using different activation runs is not allowed. Asa result, the activation run is terminated.

Procedure
Coordinate your activities with other users.