SAP ABAP Program MJJD1FEQ (Call Up Function Modules for Locking) is using

• Table/Structure Field (6)
• Function Module (2)
• Message Class (1)
• Message Number (2)
• Table (2)

#	Object Type	Object Name	Object Description	Note
1	Message Number	J9 - 018	Object & is already locked
2	Message Number	J9 - 019	System is currently unable to lock