SAP ABAP Function Module ISU_REMOVAL_CONTRACT_SWITCH (Vertragswechsel mit Fakturierung) is using

• Data Element (3)
• Table/Structure Field (110)
• Function Module (7)
• Message Class (1)
• Message Number (6)
• Table (20)

#	Object Type	Object Name	Object Description	Note
1	Message Number	EQ - 326	Contract change reason &1 is reserved for change of supplier
2	Message Number	EQ - 808	Business partner must not be changed for contract change
3	Message Number	EQ - 812	Enter a contract account category
4	Message Number	EQ - 818	Enter a reason for the contract change in table &1
5	Message Number	EQ - 819	Enter a permissible reason for the contract change in table &1
6	Message Number	EQ - 843	Product change for contr. &1 must be reversed before the customer change