SAP ABAP Program MM03FEQ0 (MM03FEQ0) is using

• Table/Structure Field (4)
• Function Module (2)
• Message Number (2)

#	Object Type	Object Name	Object Description	Note
1	Message Number	M3 - 020	Material & is locked by the user &
2	Message Number	M3 - 021	A system error has occurred while locking