How To Fix SDEST005 - Error in Class Library; lock not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: SDEST - Messages for RFC Destinations

• Message number: 005

• Message text: Error in Class Library; lock not possible

What causes this issue?

Program &v1& attempted to lock destination &v2& against changes by two
different objects. However, the class library used only permits one
object to request an SAP lock for a destination.

System Response

A class library exception is raised.

How to fix this error?

The program &v1& must be adapted to the class library. Contact the user
responsible for the program.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.