Solution : https://service.sap.com/sap/support/notes/1262810 (SAP Service marketplace login required)
Key words :
creating long text - context indicator, online text repository, relevant icf service, internet communication framework, database table sotr_textu, relevant logon language, abap corrections mentioned, system-call plugin, methodcl_http_server_net->if_http_server~send_page, webgui application remark
Related Notes :
| 1238673 | OTR: Creating long text - context indicator is not set |
| 1039335 | Incomplete logoff from an ITS WebGUI application |