Solution : https://service.sap.com/sap/support/notes/1038590 (SAP Service marketplace login required)
Key words : 
goto menu 'extras'->'enhancement category', inclu-rev                    space bapi_ext_reversal_doc                        - component, component type                 group   bapi_ext_reversal_doc          ext, standard key                        key category, tab page 'line type', typ component type, include                      space bca_str_dim_ext_reversed_doc, tab page 'key', tab page 'components', tab page 'initialization
Related Notes : 
       
| 1049351 | SAP Banking Services 5.0 SP02 |