MT5 · Runtime errors
MT5 5626 · File opened that is not database file | YI GOLD
ERR_DATABASE_NOTADB
Official meaning
File opened that is not database file
Possible causes · YI GOLD suggestions
Paths, access modes, formats, handles or permissions do not meet requirements.
Troubleshooting · YI GOLD suggestions
Check permitted terminal sandbox paths, names, access flags, formats and handles. Record open failures without granting permissive directory access.