Skip to main content

This is documentation for Caché & Ensemble.

For information on converting to InterSystems IRISOpens in a new window, see the InterSystems IRIS Migration Guide and Migrating to InterSystems IRIS, both available on the WRC Distributions pageOpens in a new window (login required).


Enable/disable null subscripts on global references.


[Miscellaneous]    NullSubscripts=n


The value n may be 1 or 0:

  • When 1 (true) null subscripts are allowed on global references.

  • When 0 (false) a null subscript causes a <SUBSCRIPT> error.

InterSystems recommends that this be set to 0.



Range of Values

0 or 1. The default is 0.

Management Portal

On the page System Administration > Configuration > Additional Settings > Compatibility, in the NullSubscripts row, select Edit. Choose true (selected) or false (cleared).

FeedbackOpens in a new window