Game Client
- [LE-01] Failed to connect to the server.
- [LE-04] Data transfer failure.
- [LE-12] Failed to register account.
- [LE-13] Authentication error
- [LE-14] Log-in attempt aborted.
- [LE-15] Failed to connect to the server.
- [LE-16] Please fill in every field.
- [LE-17] Data transfer failure.
- [LE-18] Data transfer failure.