Failed to send message

[azamatzv]

McpDotNet.Protocol.Transport.McpTransportException
  HResult=0x80131500
  Message=Failed to send message
  Source=mcpdotnet
  StackTrace:
   at McpDotNet.Protocol.Transport.StdioClientTransport.<SendMessageAsync>d__12.MoveNext()
   at McpDotNet.Shared.McpJsonRpcEndpoint.<SendRequestAsync>d__22`1.MoveNext()
   at McpDotNet.Client.McpClient.<InitializeAsync>d__21.MoveNext()
   at McpDotNet.Client.McpClient.<ConnectAsync>d__20.MoveNext()
   at McpDotNet.Client.McpClient.<ConnectAsync>d__20.MoveNext()
   at McpDotNet.Client.McpClientFactory.<CreateAsync>d__0.MoveNext()
   at McpDotNet.Client.McpClientFactory.<CreateAsync>d__0.MoveNext()
   at McpDotNet.Client.McpClientFactory.<CreateAsync>d__0.MoveNext()
   at MCP_Postgres.McpPostgresExtensions.<GetPostgresToolsAsync>d__0.MoveNext() in D:\Works\eHujjatSol\MCP_Postgres\McpPostgresExtensions.cs:line 39
   at MCP_Postgres.Program.<Main>d__0.MoveNext() in D:\Works\eHujjatSol\MCP_Postgres\Program.cs:line 37

  This exception was originally thrown at this call stack:
    [External Code]

Inner Exception 1:
IOException: The pipe is being closed.

Hello, colleagues. I have an error. What could be the reason for this? Please explain it to me in detail.