AppBuilder in Vantage 6.1 VB

Ladies and Gentlemen,
I have created a appbuilder panel with ProVision and am trying to call
it from a button using Vantage VB.
The path is c:\epicor\mfgsys61\vbp\test\prog.w
I get a error message that the program cannot be found (293)
There is a program that epicor supplied called Advblamt.w in the same
folder that works fine.
When I create the appbuilder panel, is there some linkage that must be
provided during design?
This panel just calls order line information from the current order
number and is read-only.

As usual, your expertise, knowledge and support is only exceeded by your
grace and good looks.
TIA.




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