How do I fix this?

[Noose]

It says something like

"Error while reading a message from server.
Exception thrown while reading segment EntityEvent at position 32.
Inner exception: Object reference not set to an instance of an object.
at Barotrauma.Items.Components.DockingPort.CreateDoorBody() in <DEV>\Barotrauma\BarotraumaShared\SharedSource\Items\Components\DockingPort.cs:line 557
at Barotrauma.Items.Components.DockingPort.CreateHulls() in <DEV>\Barotrauma\BarotraumaShared\SharedSource\Items\Components\DockingPort.cs:line 569
at Barotrauma.Items.Components.DockingPort.Lock(Boolean isNetworkMessage, Boolean applyEffects) in <DEV>\Barotrauma\BarotraumaShared\SharedSource\Items\Components\DockingPort.cs:line 350
at Barotrauma.Items.Components.DockingPort.ClientEventRead(IReadMessage msg, Single sendingTime) in <DEV>\Barotrauma\BarotraumaClient\ClientSource\Items\DockingPort.cs:line 192
at Barotrauma.Item.ClientEventRead(IReadMessage msg, Single sendingTime) in <DEV>\Barotrauma\BarotraumaClient\ClientSource\Items\Item.cs:line 1422
at Barotrauma.Networking.ClientEntityEventManager.Read(ServerNetSegment type, IReadMessage msg, Single sendingTime) in <DEV>\Barotrauma\BarotraumaClient\ClientSource\Networking\NetEntityEvent\ClientEntityEventManager.cs:line 220
at Barotrauma.Networking.GameClient.<>c__DisplayClass118_0.<ReadIngameUpdate>b__0(ServerNetSegment segment, IReadMessage inc) in <DEV>\Barotrauma\BarotraumaClient\ClientSource\Networking\GameClient.cs:line 2120
at Barotrauma.Networking.SegmentTableReader`1.Read(IReadMessage msg, SegmentDataReader segmentDataReader, ExceptionHandler exceptionHandler) in <DEV>\Barotrauma\BarotraumaShared\SharedSource\Utils\SegmentTable.cs:line 296"