& blocked (& &/User &)

What causes this issue?

DEFINE &USER& = &V4&
INCLUDE MESSAGE_ENQUEUE_USER OBJECT DOKU ID TX
Group maintenance for this object is locked by another user (&V4&).


&NOTE&
This error message can also appear if you are locking the object
yourself in another session.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check whether you are using the function already in a different session,
or wait until the other user has finished processing. Alternatively,
contact the other user.

Error message extract from SAP system. Copyright SAP SE.