hvorfor får jeg denne fejl?

Microsoft OLE DB Provider for ODBC Drivers error '80040e14'

[Microsoft][ODBC Microsoft Access Driver] Syntax error in INSERT INTO statement.

sammen.asp, line 39

Koden:
<%
' ADODB connection objektet
Set Conn = Server.CreateObject("ADODB.Connection")
' Husk at angive den rigtige sti til din database
DSN = "DRIVER={Microsoft Access Driver (*.mdb)}; DBQ=" & Server.MapPath("test.mdb")
' Åben databaseforbindelsen
Conn.Open DSN
%>





<%

SQL = "INSERT INTO tabel4 (lev, pris, lev nr, be) SELECT t1.lev, t1.pris, t1.lev nr, t1.be "
SQL = SQL & "FROM (SELECT lev, pris, lev nr, be FROM tabel1 "
SQL = SQL & "UNION ALL SELECT lev, pris, lev nr, be FROM tabel2 "
SQL = SQL & "UNION ALL SELECT lev, pris, lev nr, be FROM tabel3) "
SQL = SQL & "as t1, "
SQL = SQL & "(SELECT min(pris) as mpris, lev nr "
SQL = SQL & "FROM (SELECT pris, lev nr FROM tabel1 "
SQL = SQL & "UNION ALL SELECT pris, lev nr FROM tabel2 "
SQL = SQL & "UNION ALL SELECT pris, lev nr FROM tabel3 "
SQL = SQL & ") GROUP BY lev nr) as t2 "
SQL = SQL & "WHERE t1.pris = t2.mpris AND t1.lev nr = t2.lev nr ORDER BY t1.lev nr;"

Set rs = Conn.Execute(SQL)

%>


Den vil ikke sætte udregningen ind i tabel4

øv og hjælp