Solution : https://service.sap.com/sap/support/notes/800791 (SAP Service marketplace login required)
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Related Notes : 
       
| 1310133 | IBM i: Loading a 7.01 kernel using LODSAPKRN | 
| 1051576 | Conversion of Single Code Page Systems to Unicode | 
| 912575 | iSeries: Using LODSAPKRN to load a 7.00 kernel | 
| 744735 | iSeries: migrating storage parameters to DB4 | 
| 718329 | R3load terminates the export during a Unicode conversion | 
| 664679 | Installing 6.40 kernel in SAP WEB AS 6.10/6.20 | 
| 551344 | Unicode Conversion Documentation | 
| 480671 | The Text Language Flag of LANG Fields | 
| 419990 | Deleting AS/400 ABAP loads and screen loads | 
| 6873 | SAPscript terminates when importing table STXL |