Lock a transaction and afterwards call in in BDCNot a definitive answer here but did you try with the update mode set to synchronous S or Local L They change the way the LUW logical unit of work behaves with the call transaction. Your lock object is in your original programs LUW and your goal is to keep the called transaction in the same LUW. In your ENQUEUE call, also make sure that the mode is E so that it allows cumulative locks. Utt Pre Engineering Programs more. I think that is the default, but it is worth double checking. What are the possible values for BDCOKCODE How are they determinedSAP ABAP Online Training Tutorials for beginners and professionals. Refer SAP ABAP training tutorial that explains step by step with screen shots.