Stack overflow.
Repeat 2 times:
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at Interop+Winsock.WSARecv(System.Runtime.InteropServices.SafeHandle, System.Net.Sockets.WSABuffer*, Int32, Int32 ByRef, System.Net.Sockets.SocketFlags ByRef, System.Threading.NativeOverlapped*, IntPtr)
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at System.Net.Sockets.SocketAsyncEventArgs.DoOperationReceiveSingleBuffer(System.Net.Sockets.SafeSocketHandle, System.Threading.CancellationToken)
at System.Net.Sockets.Socket.ReceiveAsync(System.Net.Sockets.SocketAsyncEventArgs, System.Threading.CancellationToken)
at System.Net.Sockets.Socket+AwaitableSocketAsyncEventArgs.ReceiveAsync(System.Net.Sockets.Socket, System.Threading.CancellationToken)
at System.Net.Sockets.Socket.ReceiveAsync(System.Memory`1<Byte>, System.Net.Sockets.SocketFlags, Boolean, System.Threading.CancellationToken)
at System.Net.Sockets.NetworkStream.ReadAsync(System.Memory`1<Byte>, System.Threading.CancellationToken)
at System.Net.Security.SslStream+<ReadAsyncInternal>d__181`1[[System.Net.Security.AsyncReadWriteAdapter, System.Net.Security, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a]].MoveNext()
at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[System.Net.Security.SslStream+<ReadAsyncInternal>d__181`1[[System.Net.Security.AsyncReadWriteAdapter, System.Net.Security, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a]], System.Net.Security, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a]](<ReadAsyncInternal>d__181`1<System.Net.Security.AsyncReadWriteAdapter> ByRef)
at System.Runtime.CompilerServices.AsyncValueTaskMethodBuilder`1[[System.Int32, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Start[[System.Net.Security.SslStream+<ReadAsyncInternal>d__181`1[[System.Net.Security.AsyncReadWriteAdapter, System.Net.Security, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a]], System.Net.Security, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a]](<ReadAsyncInternal>d__181`1<System.Net.Security.AsyncReadWriteAdapter> ByRef)
at System.Net.Security.SslStream.ReadAsyncInternal[[System.Net.Security.AsyncReadWriteAdapter, System.Net.Security, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a]](System.Net.Security.AsyncReadWriteAdapter, System.Memory`1<Byte>)
at System.Net.Security.SslStream.ReadAsync(Byte[], Int32, Int32, System.Threading.CancellationToken)
at System.IO.Stream.ReadAsync(Byte[], Int32, Int32)
at Framework.Networking.SSLSocket+<AsyncRead>d__9.MoveNext()
at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[Framework.Networking.SSLSocket+<AsyncRead>d__9, Framework, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]](<AsyncRead>d__9 ByRef)
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[[Framework.Networking.SSLSocket+<AsyncRead>d__9, Framework, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]](<AsyncRead>d__9 ByRef)
at Framework.Networking.SSLSocket.AsyncRead()
at BNetServer.Networking.Session+<ReadHandler>d__27.MoveNext()
at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[BNetServer.Networking.Session+<ReadHandler>d__27, BNetServer, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]](<ReadHandler>d__27 ByRef)