Diagnosis
The log you want (&V1&) does not exist.
Possible reasons:
You have not carried out an activity that requires log output, thus nolog can be displayed.
You explicitly deleted the log, thus no log can be displayed.
The log has been deleted implicitly by the system, thus no logcan be displayed.
This is a program error. If so, send a problem message to SAP.

System Response
The system cannot display a log.

Procedure
In the event of a program error, note the following:
transaction code
your entries
the number of the message
and send this information to SAP.