SAP ABAP Program LK23EF09 (Messages/Ranges/checks) is using

• Data Element (1)
• Table/Structure Field (28)
• Function Module (9)
• Message Class (1)
• Message Number (2)
• Table (4)

#	Object Type	Object Name	Object Description	Note
1	Data Element	BOOLE_D	Data element for domain BOOLE: TRUE (='X') and FALSE (=' ')