SAP Message RX093 - It was not possible to switch to channel &1

Diagnosis
You have attempted to switch to channel &V1& in the display mode.However, you do not have authorization for this. You could also notswitch to the change mode as this is currently being locked by anotheruser.

System Response

Procedure
You could possibly try again later to switch to channel &V1& in thechange mode.
Where necessary inform your system administrator, in order to arrangeyour authorizations.