Solution : https://service.sap.com/sap/support/notes/130398 (SAP Service marketplace login required)
Key words : 
customer table/structure/view exists, customer table/structure/view, additional key words dt005, exception table tdkz, temporary transport directory, activation errors occur, tables/structures/views, activation error dt005, starting program raddrexe, program raddrexe generates
Related Notes : 
       
| 104128 | @3B@Documentation LCP Collections to 4.0B | 
| 104127 | @3B@Documentation Hot Package Collections to 4.0B | 
| 103585 | Generation error after applying Hot Package | 
| 101285 | ACT_40B: DT121 when activating a customer object | 
| 60928 | Transports between Release 3.0 or 3.1 and Release 4.0 |