Solution : https://service.sap.com/sap/support/notes/39533 (SAP Service marketplace login required)
Key words :
zzspreg, zzspreg, mandt, mandt, check table, char, char, bukrs, field, bukrs, field zzspreg, zzspreg special, special, table, zzspcode, key, zzspcode, check, name, create check, table field, short text, zzcode, zzcode, function activate, cobl, syst, syst, constant, foreign, text, type, object, change, short, class, field, coding block, special region, account assignment
Related Notes :
| 1236439 | Enjoy: Short dump CREATE_DATA_UNKNOWN_TYPE |
| 76430 | Coding block: foreign key in fast entry |