Solution : https://service.sap.com/sap/support/notes/660088 (SAP Service marketplace login required)
Key words : 
logistics execution -> dsd route accounting -> basic functions -> application log -> maintain general settings, entered application log object, /dsd/hh_control idocs, /dsd/hh_control idoc, transaction data idocs, file read errors, source code correction, /dsd/hh_control, dsd-connector, file system
Related Notes : 
       
| 872573 | Withdrawal of Note 660088 | 
| 674201 | MDSD 1.0 SR5 Note |