AutoCAD 2004 + ADT 2004 VBA compatibility

I have written some VBA macros for AutoCAD 2004 (which also work on 2005),
such as importing CSV files of points (X,Y,Z); drawing linework etc. Other
users of AutoCAD have been able to use them.

http://www.engineeringsurveyor.com/software/autocad%20macros.zip

A potential user of the macros states that he unable to use the macros in
ADT 2004, and that a module error is occuring.

Without any further information, is there a compatibilty issue between the
two systems or could it be something to do with the programming and/or
installation?

Thanks in advance,

Mark


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