SAS System Options

VNFERR System Option

Specifies whether SAS issues an error or warning when a BY variable exists in one data set but not another data set when processing the SET, MERGE, UPDATE, or MODIFY statements.

Valid in:	configuration file, SAS invocation, OPTIONS statement, SAS System Options window
Category:	Environment control: Error handling
PROC OPTIONS GROUP=	ERRORHANDLING

Syntax
Syntax Description
Details
Comparisons
See Also

Syntax

VNFERR | NOVNFERR

Syntax Description

VNFERR: specifies that SAS issue an error when a BY variable exists in one data set but not in another data set when processing the SET, MERGE, UPDATE, or MODIFY statements. When the error occurs, SAS enters into syntax-check mode.
NOVNFERR: specifies that SAS issue a warning when a BY variable exists in one data set but not in another data set when processing the SET, MERGE, UPDATE, or MODIFY statements. When the warning occurs, SAS does not enter into syntax-check mode.

Details

Operating Environment Information: Under z/OS, SAS also issues an error or a warning when the data set specified by DDNAME points to a DUMMY library. [cautionend]

Comparisons

VNFERR is similar to the BYERR system option, which issues an error and enters into syntax-check mode if the SORT procedure attempts to sort a _NULL_ data set.
VNFERR is similar to the DSNFERR system option, which issues an error when a SAS data set is not found.