Solution : https://service.sap.com/sap/support/notes/1528649 (SAP Service marketplace login required)
Key words : 
software component   fi-ca                          fi contract acc, master data template, master data governance, master data templates, attached correction instructions, message class epd, relevant support package, manual pre-implement, user parameter epd_hide_note_922634, message short text
Related Notes : 
       
| 922634 | MDG: General notes on definition of master data templates |