Error while processing request `threads`

[deitry]

error while processing request 'threads' (exception: Cannot access a disposed object. Object name: 'System.Net.Sockets.Socket'. at System.Net.Sockets.Socket.ThrowIfDisposedAndClosed () [0x0001b] in <9c6e2cb7ddd8473fa420642ddcf7ce48>:0 at System.Net.Sockets.Socket.Send (System.Byte[] buffer, System.Int32 offset, System.Int32 size, System.Net.Sockets.SocketFlags socketFlags, System.Net.Sockets.SocketError& errorCode) [0x00000] in <9c6e2cb7ddd8473fa420642ddcf7ce48>:0 at System.Net.Sockets.Socket.Send (System.Byte[] buffer, System.Int32 offset, System.Int32 size, System.Net.Sockets.SocketFlags socketFlags) [0x00000] in <9c6e2cb7ddd8473fa420642ddcf7ce48>:0 at Mono.Debugger.Soft.TcpConnection.TransportSend (System.Byte[] buf, System.Int32 buf_offset, System.Int32 len) [0x00001] in <64ec964c24e54f1695a7d9ef6e8c3762>:0 at Mono.Debugger.Soft.Connection.WritePacket (System.Byte[] packet) [0x00001] in <64ec964c24e54f1695a7d9ef6e8c3762>:0 at Mono.Debugger.Soft.Connection.Send (Mon...

Kubuntu 18.04