Solution : https://service.sap.com/sap/support/notes/853479 (SAP Service marketplace login required)
Key words :
"import all" or "import subset" with umode 1 ctc/ client-specific transport routes umode 1 / U1 / repeatimport /repeatclimport
Related Notes :
| 1055826 | Composite note: Objects/data unavailable after transport |
| 19466 | Downloading SAP kernel patches |