Solution : https://service.sap.com/sap/support/notes/1769975 (SAP Service marketplace login required)
Key words :
ict/unescape_no_utf8 = 1the patch level, standard 7-bit ascii area, abap method cl_abap_dyn_prg=>escape_xss_url, ict/unescape_no_utf8 reason, sp patch level, internal display format, terms url escaping, american character set, cl_abap_dyn_prg=>escape_xss_url, kernel patch
Related Notes :
1629598 | SAP Kernel 720 will replace older kernel versions |
1582870 | ABAP XSS Escaping Support |