Solution : https://service.sap.com/sap/support/notes/119373 (SAP Service marketplace login required)
Key words :
--begin-2nd-version-note-119373-part-1/2, ---end--2nd-version-note-119373-part-1/2, --begin-2nd-version-note-119373-part-2/2, ---end--2nd-version-note-119373-part-2/2, symptom error textenv_invalid occurs, processing batch input sessions, additional key words locale, ' field 'rdisp/myname' id ', function module scp_mixed_languages_1_switch, function module 'scp_mixed_languages_1_switch'
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42781 | RABAX TEXTENV_... |
35931 | Collective note: Formatting/printing addresses |