Solution : https://service.sap.com/sap/support/notes/42143 (SAP Service marketplace login required)
Key words :
additional key words shd0, hypertext object bc_hd, possibly user-dependent, user master record, maintenance transaction shdg, screen fields disappear, deactivate standard variant, standard variant, transaction shd0, transaction shdg
Related Notes :
| 144261 | Error in the field transport on screens |
| 139773 | Screen layout deviates from standard R/3 (GuiXT) |
| 97860 | Transaction variants for VA01 |
| 42815 | Strange effects in debugging |