Solution : https://service.sap.com/sap/support/notes/869213 (SAP Service marketplace login required)
Key words : 
terms conne_import_no_value reason, export datasets changed, indx-type tables, correct internal format, internal format, converted tables, flat tables, deep tables, symptom import, termination occurs
Related Notes : 
       
| 330267 | Transports between Basis Releases 4.6* and 6.* |