>Thanks for the reply Greg.
>
>I just thought I would note for future readers that CLEAR MEMORY in place of RELEASE ALL EXTENDED seems to have solved my problem.

Fred,

I do not often use the CLEAR and/or RELEASE commands

May make you wonder
(1) why you have so many variables defined, and

(2) why aren't they released automatically
local/private variables are at the end of the function
are you using so many publica variables then ?