You are not allowed to create ENQUEUE/DEQUEUE modules

What causes this issue?

ENQUEUE and DEQUEUE modules are generated automatically by the system
when a lock object is activated.
For this reason, you are not allowed to create these modules yourself.

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?

Error message extract from SAP system. Copyright SAP SE.