Unable to determine the canonical SNC name

What causes this issue?

Could not determine the canonical SNC name.

System Response

IF &V1& = '999-'
SNC is not active.
ENDIF
IF &V1& = '38-'
The SNC mechanism &V2& is not active.
ENDIF
IF &V1& = '35-'
The SNC name is syntactically incorrect.
ENDIF
IF &V1& = 1
SNC error. Error code &V2&.
ENDIF
IF &V1& = 2
Internal error. Error code &V2&.
ENDIF

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.