Solution : https://service.sap.com/sap/support/notes/906762 (SAP Service marketplace login required)
Key words :
menu path 'goto' -> 'text elements' -> 'text symbols', 'generation overwrites client copy'153, 'order document management' save, system &1'051 'order data area &1, order document management, '052 'order data area &1, '053 'order data area &1, order document managementtransactions, order document data, maintenance' tab page
Related Notes :
907919 | ODM: Relocating order data areas |
907918 | ODM: Client copy not possible |
905275 | ODM: Client copy, restriction |