Solution : https://service.sap.com/sap/support/notes/1266322 (SAP Service marketplace login required)
Key words : 
end user fill, add activity pop-, terms process templates, previously selected activities, add button, process template, process step, add activities, multiple times, questionnaire reason
Related Notes : 
       
| 1156407 | SAP ERP Enhan.Pk.4 SP Stack 01(11/2008) - Release Info. Note |