Solution : https://service.sap.com/sap/support/notes/42865 (SAP Service marketplace login required)
Key words :
additional key words enhanced table maintenance, message sv028 'table xxxxx, enhanced table maintenance, error accessing ddic, call transaction sm30, generated maintenance dialog, table/view entered, entry exists check, maintenance dialog, view maintenance
Related Notes :
| 91393 | TVDIR missing, view maint.SM30 with message SV037 |
| 46682 | IS-H: Missing or incorrect TVDIR entries in 3.01 |