Access 2000 ODBC table links

Private Sub Link_ODBCTbl(rstrTblSrc As String, rstrTblDest As String,
dbsCurrent As Database)

    Dim tdf As TableDef

    On Error Resume Next

    Set tdf = dbsCurrent.CreateTableDef(rstrTblDest)
    dbsCurrent.TableDefs.Delete rstrTblDest

    tdf.Connect = "ODBC;DRIVER={PostgreSQL};" _
                              & "DATABASE=soldb;SERVER=10.73.233.137;" _
                              & "PORT=5432;" _
                              & "UID=soluser;" _
                              & "PWD=soluser;READONLY=0;PROTOCOL=6.4;" _
                              & "FAKEOIDINDEX=1;SHOWOIDCOLUMN=1;" _
                              & "ROWVERSIONING=1;SHOWSYSTEMTABLES=0;" _
                              & "CONNSETTINGS="
    tdf.SourceTableName = rstrTblSrc

    dbsCurrent.TableDefs.Append tdf
    dbsCurrent.TableDefs.Refresh

End Sub

Windows2000:    Postgre7.1.3+Access2000
"dbsCurrent.TableDefs.Append tdf" executing、why Access2000 Program
closed?Momory Error?