error: Reference to non-existent field `RESET_PDU' in union template for type `@RLC_wk37.anytype'

template RLC_TR_TestDataInd car_ResetInd(template SS_RB_Identity p_RB_Id, template RESET_PDU p_Reset) := 
    {
        cellId := tsc_CellDedicated,
        rB_Id := p_RB_Id,
        data := {RESET_PDU := p_Reset}
    }
    with
    {
        optional "implicit omit"
    }

    type anytype PDU;

        type record RESET_PDU
    {
        DC_Field dC_Field optional,
        CtrlPDU_Type type_ optional,
        RSN rsn optional,
        bitstring reserved length (3) optional,
        HFNI hfni optional,
        Padding padding optional
    }

    type record RLC_TR_TestDataInd
    {
        integer cellId optional,
        SS_RB_Identity rB_Id optional,
        PDU data optional
    }

module something {
:
:
}

with {
extension "anytype integer, charstring" // adds two fields
extension "anytype MyRec" // adds a third field
extension "anytype money" // adds the local money type
extension "anytype greeting" // adds the imported type
}