Solution : https://service.sap.com/sap/support/notes/173330 (SAP Service marketplace login required)
Key words : 
usual naming convention <host>_<sid>_<instance>, directory /usr/sap/<sid>/sys/exe/run, component bc dwb-dic-ac, de/general/r3server/abap/note, 'extras -> change table type category', component bc-upg-tls, component 'bc-upg-tls', profile parameter 'rdisp/myname', data transfer crash               due, 'control -> data transfer -> start'
Related Notes : 
       
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| 179373 | Additional info for upgrade to Rel.4.6B | 
| 172098 | ICNV and upgrade concatenation 4.0B -> 4.5B/4.6B/4.6C | 
| 141465 | Conversion of tables EDIDOC & CDCLS, Release 4.5 | 
| 106412 | Conversion of tables EDIDOC & CDCLS, Release 4.0B | 
| 19466 | Downloading SAP kernel patches |