Solution : https://service.sap.com/sap/support/notes/576050 (SAP Service marketplace login required)
Key words :
add import parameter 'i_flg_release_processing' type bank_boolean short text 'release running', bapi_bca_ap_create bapi_bca_ap_check bapi_bca_ap_change bapi_bca_ap_check bapi_bca_accountam_save_all bapi_transaction_commit, valid account pool found, terms multiple instance, function module 'bca_db_cn_acpool_chck4_ext_cre', attached source code, message class 'bca_cnsp_acpool', hold internal id, internal contract id &1, contract found 3
Related Notes :
| 317129 | Creating a function module |
| 305789 | Creating messages |