Solution : https://service.sap.com/sap/support/notes/1269873 (SAP Service marketplace login required)
Key words :
profile parameter abap/unicode_check forces, system performs stricter unicode checks, profile parameter abap/unicode_check, system regenerates programs regularly, system writes syslog entries, parameter abap/unicode_check, generate abap programs, write syslog entry, sapmssy0 uc/nuc, invalid load format
Related Notes :
1319517 | Unicode Collection Note |
1285869 | Program MENUSYST: Syntax error or session termination |