SAP ABAP Program LSTRDF13 (Form Routines for TR_CHECK_COMM_OBJ) is using

• Table/Structure Field (19)
• Function Module (1)
• Message Class (1)
• Message Number (2)
• Table (5)

#	Object Type	Object Name	Object Description	Note
1	Message Number	TK - 309	Request lock for &1 is in invalid task/request &2
2	Message Number	TK - 310	&1 is locked in request/task &2