Button for 1977 Button for 1984 Button for 1990 Button for 1995 Button for MDC Button for notes Button for examples
☜

Error Code M7

M[UMPS] by Example

☞

M7, Undefined gvn

Introduced in the 1995 ANSI M[UMPS] language standard.

This error means that an attempt was made to obtain the value of a global variable, while that global variable has no defined value. Note that a variable that has no defined value may have descendants that do have a defined value.

Kill ^X
Set ^X(12,13,14)=123
Set:$Data(^X(12)) ABC=^X(12)

Button for 1977 Button for 1984 Button for 1990 Button for 1995 Button for MDC Button for notes Button for examples

Copyright © Standard Documents; 1977-2024 MUMPS Development Committee;
Copyright © Examples: 1995-2024 Ed de Moel;
Copyright © Annotations: 2003-2008 Jacquard Systems Research
Copyright © Annotations: 2008-2024 Ed de Moel.

The information in this page is NOT authoritative and subject to be modified at any moment.
Please consult the appropriate (draft) language standard for an authoritative definition.

Some specifications are "approved for inclusion in a future standard". Note that the MUMPS Development Committee cannot guarantee that such future standards will indeed be published.

This page most recently updated on 29-Nov-2011, 22:30:57.

For comments, contact Ed de Moel (demoel@jacquardsystems.com)