While Posting Payment via Credit Card in FICA in SAP, which Function Module or BAPIs are useful?#SAP #ABAP

I am getting error as 'record not found in fkkvkp table'. Can anyone please tell? I am writing the code below. DATA: lv_bp TYPE BAPIBPPARA-PARTNER.DATA: lv_cat TYPE BAPICAPARA-CONTR_ACC_CATG.DATA: ls_ret TYPE BAPIRET2.DATA: lt_con_acc_data TYPE TAB...

I want to create a Contract Account. Which BAPI or FM should I use to create this?

I am using BAPI_BUPA_CREATE_FROM_DATA to create Business Partner. Then I am using BAPI_BUPA_ROLE_ADD2 to provide the role as 'Contract Partner'. When I am executing this, a runtime error showing as 'enter external customer number'. How can I provide ...