invalid argument system runtime error on line with variable lookup

[Kenneth Brody]

Quoting Bruce Easton (Thu, 25 Oct 2007 15:52:00 -0400):
[...]
> I tried that Richard and it (clerkWin5.7) produced the same system
> error on that line (your second then line).  In my Unix (fp5.14)
> program that is working fine, all that is needed is:
[...]

What are "5.7" and "5.14"?  (I assume "5.14" is "5.0.14", but is "5.7"
really "5.0.07" or did you mean "5.6.something"?)

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