ParamArray reserved in vbScript

Interesting thing happened today… I thought I know pretty much about vbScript. Still I stumbled upon unexpected error today, when I called one of my variables ParamArray. Never thought it is reserved…

Here they are all (case insensitive, of course):

And As Boolean ByRef Byte ByVal Call Case Class Const Currency Debug Dim Do Double Each Else ElseIf Empty End EndIf Enum Eqv Event Exit False For Function Get Goto If Imp Implements In Integer Is Let Like Long Loop LSet Me Mod New Next Not Nothing Null On Option Optional Or ParamArray Preserve Private Public RaiseEvent ReDim Rem Resume RSet Select Set Shared Single Static Stop Sub Then To True Type TypeOf Until Variant WEnd While With Xor