Solution : https://service.sap.com/sap/support/notes/972344 (SAP Service marketplace login required)
Key words : 
l_fldinf_wa-datatype <> 'char' and41           l_fldinf_wa-datatype <> 'lchr' and42           l_fldinf_wa-datatype <> 'varc' and43           l_fldinf_wa-datatype <> 'strg' and44           l_fldinf_wa-datatype <> 'sstr' and44a          l_fldinf_wa-datatype <> 'numc'45, application group -> sap netweaver -> sap netweaver -> sap netweaver 2004s -> installation, select 'util/table contents/create entries', data type numc, nw 2004s' kernel versions, sap market place, nw 2004s' kernels, create unicode systems, /swdc download -> installations, newly installed system
Related Notes : 
       
| 946493 | |
| 544623 | New Installation of Unicode SAP systems |