anthony, make sure the calling lines are proper.
I might suggest you do:
code:
CALL @scriptdir+"\isiniprange.kix"
	;and it's requirements:
	CALL @scriptdir+"\binaryip.kix"
	CALL @scriptdir+"\ipmask.kix"
	CALL @scriptdir+"\isinsubnet.kix"
in this situation if script run during logon, they have to be in the same dir as logonscript.

the expression error suggests right that, the load has failed.
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