Solution : https://service.sap.com/sap/support/notes/682196 (SAP Service marketplace login required)
Key words :
'request transportable workbench request' dialog box select, dialog box 'change generation elements' select, dialog box 'change generation elements, release levels tr-bk 2, 'xfeld'field label short, create data element bca_dte_flg_dont_send, 'bca_dte_flg_dont_send'short text, select 'database table', select 'data type', select 'generated objects'
Related Notes :
| 587923 | Create or change data element in ABAP dictionary |