Sapnco 3.0 csap_bom_mat_read error

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C#

.NET

SAP

Dear Experts,

I've been juggling in the internet for quite sometime to find an answer, on how to execute the RFC CSAP_BOM_MAT_READ using SAP NCO.I can execute some other bapi's such as
BAPI_MATERIAL_GETLIST, and etc, but can't execute the RFC CSAP_BOM_MAT_READ.
The BAPI_MATERIAL_GETLIST is functioning inside the BAPI call, there are parameter tables involved (IRfcTable mm1 = mm.GetTable("MATNRSELECTION");, but for
CSAP_BOM_MAT_READ, it seems like a field or parameters.

What I have tried:

BAPI_MATERIAL_GETLIST ----WORKING PERFECTLY

ECCDestinationConfig cfg = new ECCDestinationConfig();

           RfcDestinationManager.RegisterDestinationConfiguration(cfg);

           RfcDestination dest = RfcDestinationManager.GetDestination("mySAPdestination");

           RfcRepository repo = dest.Repository;

           IRfcFunction mm = repo.CreateFunction("BAPI_MATERIAL_GETLIST");
           //mm.SetValue("MAXROWS", "500000");
           IRfcTable mm1 = mm.GetTable("MATNRSELECTION");
           IRfcTable mm1P = mm.GetTable("PLANTSELECTION");
           mm1.Append();

          mm1.SetValue("SIGN", "I");
          mm1.SetValue("OPTION", "NE");
           mm1.SetValue("MATNR_LOW", "&&&&");
           mm1.SetValue("MATNR_HIGH", "");

           mm1P.Append();
           mm1P.SetValue("SIGN", "I");
           mm1P.SetValue("OPTION", "EQ");
           mm1P.SetValue("PLANT_LOW", "711");
           mm1P.SetValue("PLANT_HIGH", "");
           mm.SetValue("MATNRSELECTION", mm1);
           mm.SetValue("PLANTSELECTION", mm1P);


           IRfcTable TBL2 = mm.GetTable("MATNRLIST");

           mm.Invoke(dest);

           DataTable dt = TBL2.ToDataTable("table1");

           //var companyDataTable = companyCodeList.ToDataTable(Name);
           this.dataGridView1.DataSource = dt;

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CSAP_MAT_BOM_READ - GIVING ERROR Incompatible call, I've tried with multiple bom RFC but all are giving the same error.

ECCDestinationConfig cfg = new ECCDestinationConfig();

          RfcDestinationManager.RegisterDestinationConfiguration(cfg);

          RfcDestination dest = RfcDestinationManager.GetDestination("mySAPdestination");

          RfcRepository repo = dest.Repository;

          IRfcFunction mm = repo.CreateFunction("CSAP_MAT_BOM_READ");
          mm.SetValue("MATERIAL", "405114");
          mm.SetValue("PLANT", "0711");
          mm.SetValue("BOMUSAGE", "1");
          mm.Invoke(dest);
          IRfcTable TBL2 = mm.GetTable("T_STPO");
          DataTable dt = TBL2.ToDataTable("table1");
          this.dataGridView1.DataSource = dt;