SAP ABAP Function Module CNECP_MAINTAIN (RFC for maintaining ECP for a project) is using

• Class (3)
• Data Element (11)
• Table/Structure Field (81)
• Function Module (23)
• Interface (1)
• Message Class (3)
• Message Number (11)
• Class Method (5)
• Table (33)
• View (1)

#	Object Type	Object Name	Object Description	Note
1	Message Number	CN_ECP_PS - 000	The project is locked
2	Message Number	CN_ECP_PS - 001	WBS element &1 does not exist or does not belong to the project
3	Message Number	CN_ECP_PS - 002	Network activity &1 &2 does not exist or does not belong to the project
4	Message Number	CN_ECP_PS - 004	ECP processing terminated
5	Message Number	CN_ECP_PS - 016	Project not found
6	Message Number	CN_ECP_PS - 020	WBS element &1 is not a planning element
7	Message Number	CN_ECP_PS - 022	Alternative version not created for ECP
8	Message Number	CN_ECP_PS - 023	Enter a valid costing variant
9	Message Number	CN_ECP_PS - 024	Invalid costing variant
10	Message Number	KPN - 077	No WBS elements have been created for the project yet
11	Message Number	PRGR_NTW_WBS - 001	Business Function Not Active.