The last program to cause problems is &

What causes this issue?

The program &V1& may have just been edited (by another process).
It may also be that the execution of the task with this program
resulted in a runtime error or even a core.
The last case should, of course, not happen and the reason must for
this must be found.

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.