Solution : https://service.sap.com/sap/support/notes/1086930 (SAP Service marketplace login required)
Key words :
type id_application importing type uxb_application id_survey importing type uxp_id id_questionnaire importing type uxp_id id_publishing_guid importing type uxp_guid flt_val importing type uxb_application ed_read_only returning, parameter type pass val, badi parameter ed_read_only = 'x', type boole_d, terms survey bbp_eval_survey ros_qstn_survey, web survey reason, attached program corrections, instance method 'set_read_only_if_answered', classic badi, method set_read_only_if_answered
Related Notes :
| 1108501 | SURVEY: No confirmation page for ad hoc questionnaires |