Players will be inexplicably disconnected, and can not log in to the server normally, after the disconnection, there will be the following tips.

Server prompt:

Server Exception: Player Update
OverflowException: Arithmetic operation resulted in an overflow.

Client prompt:

disconnecting: Entities Out Of Order: expected 40356, received 40357

Exception (cs:82978): NullReferenceException: Object reference not set to an instance of an object. Client.CreateOrUpdateEntity (ProtoBuf.Entity info, System.Int64 size) (at <00000000000000000000000000000000>:0) Client.OnEntities (Network.Message packet) (at <00000000000000000000000000000000>:0) Client.OnNetworkMessage (Network.Message packet) (at <00000000000000000000000000000000>:0) Facepunch.Network.Raknet.Client.ProcessRead (Network.NetRead read) (at <00000000000000000000000000000000>:0) Network.BaseNetwork.Cycle () (at <00000000000000000000000000000000>:0) Client.Update () (at <00000000000000000000000000000000>:0) UnityEngine.Debug:LogException(Exception) Facepunch.Network.Raknet.Client:ProcessRead(NetRead) Network.BaseNetwork:Cycle() Client:Update()

What is the cause of this, how to solve it thoroughly, and what should I do?