SAP ABAP Program LNWDOI0D (LNWDOI0D) is using

• Table/Structure Field (20)
• Function Module (1)
• Message Number (2)
• Table (3)

#	Object Type	Object Name	Object Description	Note
1	Message Number	CN - 819	No work center assigned to successor
2	Message Number	CN - 820	No work center assigned to predecessor