No further processing (contact your system administrator)

What causes this issue?

Field &V1& was not found in internal Dictionary table FIELD_TAB. This
is probably due to a program error.
Change the report, save it and then execute it again.
DEFINE &APPL& = &V2&
IF &APPL& EQ 'KC'.
<DS:TRAN.KCR2>'Change report'</>
ELSE.
<DS:TRAN.KE32>'Change report'</>
ENDIF.

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.