Solution : https://service.sap.com/sap/support/notes/310866 (SAP Service marketplace login required)
Key words : 
additional key words raise_exception, customizing comparison tools refer, customizing menus, reports rstabl00, transaction scu1, namespace enhancement, deleted due, transactions scu0, transactions, prerequisites
Related Notes : 
       
| 91096 | Table Compare: Info about Cust. Cross System Check |