Lonkero, thanks for the suggestion of using "IsDeclared()". After looking at the code a little longer, I added the following to the Hash() UDF which permitted it to run with explicit=on.
 Code:
   If isdeclared($$$HashKey)
   	$$KeyLimit = Ubound($$$HashKey)
   Else
	$$KeyLimit=-1
   Endif


Edited by Howard Bullock (2013-11-28 11:18 PM)
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