Create adPrimaryKey in ACC2000 table

Here's my new bummer...

I have some working code to create the table. But whan I want to add the Primary Key... It crashes...

Here's what I have so far...:

Code:

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Sub CreeEssence()
    Dim cat As New ADOX.Catalog
    Dim Essence As New ADOX.Table
    Dim EssenceKey As New ADOX.Index
    cat.Create "Provider=Microsoft.Jet.OLEDB.4.0;" & _
    "Data Source=d:\projets\voiture2\data\tt.mdb;"
'    Set Essence = New ADOX.Table
'    Set EssenceKey = New ADOX.Key
    With Essence
        .Name = "Essence"
        Set .ParentCatalog = cat
        .Columns.Append "NoVehicule", adInteger
        .Columns.Append "DateAchatEssence", adDate
        .Columns.Append "Sequence", adInteger
        .Columns("Sequence").Properties("AutoIncrement") = True
        .Columns.Append "TypeQteEssence", adVarWChar, 1
        .Columns.Append "QteEssence", adSingle
        .Columns.Append "CoutEssence", adCurrency
        .Columns.Append "OdometreEssence", adSingle
        .Columns.Append "PetitOdometreEssence", adSingle
        .Columns.Append "LieuAchat", adVarWChar, 50
        .Keys.Append EssenceKey, adKeyPrimary, "NoVehicule"
        .Keys.Append EssenceKey, adKeyPrimary, "DateAchatEssence"
        .Keys.Append EssenceKey, adKeyPrimary, "Sequence"
    End With
    cat.Tables.Append Essence
End Sub

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I also tried this way:

Code:

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        .Keys.Append "NoVehicule", adKeyPrimary, "NoVehicule"
        .Keys.Append "DateAchatEssence", adKeyPrimary, "DateAchatEssence"
        .Keys.Append "Sequence", adKeyPrimary, "Sequence"

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What's wrong with my code...

TIA