SAP ABAP Program LCK88F01 (x) is using

• Data Element (4)
• Table/Structure Field (9)
• Function Module (1)
• Message Number (2)
• Table (2)

#	Object Type	Object Name	Object Description	Note
1	Message Number	CK - 121	Material control record does not exist in company code &
2	Message Number	CK - 122	Invalid posting period (please check your entry)