Solved RPC Error: destroyui AND addui

What are these errors?

Code:

(22:13:05) | 187.39.190.201:28910/76561198094600392/Skorpion disconnecting: Invalid Raknet Packet 14(22:13:05) | [Oxide] 21:13 [Info] [Notifier] [DST] Skorpion-saiu do server (Reason: Disconnected)(22:13:05) | 201.34.173.137:55716/76561198155182916/Slevin disconnecting: Invalid Raknet Packet 0(22:13:05) | [Oxide] 21:13 [Info] [Notifier] [KnG] Slevin-saiu do server (Reason: Disconnected)(22:13:05) | 177.104.76.40:59354/76561198300160676/jorginmatador disconnecting: RPC Error: destroyui(22:13:05) | 201.4.139.91:19850/76561198299968914/Rexxar disconnecting: Invalid Raknet Packet 0(22:13:05) | [Oxide] 21:13 [Info] [Notifier] Rexxar-saiu do server (Reason: Disconnected)(22:13:05) | 201.78.170.92:60178/76561198215498713/➪ scrσℓℓ.lb . disconnecting: Invalid Raknet Packet 0(22:13:05) | [Oxide] 21:13 [Info] [Notifier] [LoveBR] ➪ scrσℓℓ.lb .-saiu do server (Reason: Disconnected)(22:13:06) | 200.97.122.21:60771/76561198220666320/Tecno_LoveBr disconnecting: RPC Error: addui(22:13:06) | [Oxide] 21:13 [Info] [Notifier] [LoveBR] Tecno_LoveBr-saiu do server (Reason: Disconnected)(22:13:06) | 138.59.189.178:26664/76561198186865294/yCoringa disconnecting: Invalid Raknet Packet 0)