Solution : https://service.sap.com/sap/support/notes/146773 (SAP Service marketplace login required)
Key words : 
shadow class xxx failed, additional key words r3trans, error message           1aetw000 ===> panic, program error, target release 4, customer shipment, phases diffexp, exit code 16, return code 16, sapservx machines
Related Notes : 
       
| 19466 | Downloading SAP kernel patches |