VBCODE ERROR

[SAM]

I am trying to run the code below and I get this error
message. This code has been working fine in access XP but
when I attempt to use it in access 2000 I get this error
Can someone HELP!

Automation Error
Incorrect Inheritance depth in standard OLE hmember


Private Sub Form_Current()

If Not IsDate(Me.Notice_Return) Then
If DateDiff("d", Me.Notice_Sent, Date) >= 315 Then
MsgBox "You Have Georgia Comp. Hours You Are About
To Lose YOU HAVE 60 DAYS TO TAKE THESE HOURS", vbOKOnly +
vbExclamation
End If
End If