>My colleague asked the same question -but unfortunately, no I'm not using any arrays.
>All the variables "not found" are names of table indexes used in the few forms I have developed so far.
Martin,

Do these indexes ONLY exist while the app is running? You can get rid of the build warning by adding code like this to your startup program;

* Startup

* All your code

RETURN
IF .F.
x = ""
y = ""
ENDIF