Error using insert sql in ASP -Access, NT4.0

I get an operation must use an updatable query error when trying to instert a record into an access(97) database. Server is NT 4.0, IIS, The asp script is listed below:

Microsoft OLE DB Provider for ODBC Drivers error '80004005'

[Microsoft][ODBC Microsoft Access 97 Driver] Operation must use an updatable query.

/findit/signinhandle.asp, line 50

Conn.Open  "DBQ=C:\wwwroot\guestbook\guest.mdb;DefaultDir=c:\wwwroot\guestbook;Driver={Microsoft Access Driver (*.mdb)};DriverId=25;FIL=MS Access;ImplicitCommitSync=Yes;MaxBufferSize=512;MaxScanRows=8;PageTimeout=5;SafeTransactions=0;Threads=3;UID=admin;UserCommitSync=Yes;"

sql = "INSERT INTO tblGuests(Name, EMail, Address1, Address2, City, State, Zip, Kiss, Rock, CheapTrick, ClassicRock, Alt, refer, Comment, Host_Name) "
sql = sql & "VALUES('" & Request("uName") & "', '" & Request("ueMAIL") & "', '" & Request("uaddress1") & "', '" & Request("uaddress2") & "', '"
sql = sql & Request("uCity") & "', '" & Request("uState") & "', '" & Request("uZip") & "', '" & Request("uKiss") & "', '" & Request("uRock") & "', '" & Request("uCheapTrick") & "', '" & Request("uClassicRock") & "', '" & Request("uAlt") & "', '" & Request("urefer") & "', '" & Request("ucomment") &"', '" & CStr(Request.ServerVariables("REMOTE_HOST")) &  "')"
                  
Conn.Execute(sql)