SAP ABAP Function Module WSPO_P_DOC_LOCK_HANDLE (Faktura sperren) is using

• Data Element (3)
• Table/Structure Field (12)
• Function Module (4)
• Message Class (1)
• Message Number (2)
• Table (6)

#	Object Type	Object Name	Object Description	Note
1	Message Number	SAPLWSPO - 002	Call for routine &1 is not valid
2	Message Number	SAPLWSPO - 123	Purchase order &2 is already being edited by user &1