Solution : https://service.sap.com/sap/support/notes/825539 (SAP Service marketplace login required)
Key words :
symptom appraisal bapis call function modules, 'nocommit' import parameter manually, listed function modules, 'nocommit' import parameter, bor object bus7026, bapi_stand-no_commit default, optional 'nocommit' paramater, perform commit work, relevant support package, function modules
Related Notes :
131838 | Collective note for BAPIs w/ 'Commit Work' command |