Issues with Slack Post Message Feature: Authentication Error

Hello, Is there any problems with Slack tool with post message feature ? i get this error unless Slack Tool connection seems to be OK Error: {"type":"tool_error","created":1753178031002,"configurationId":"xxxxxxx","messageId":"xxxxxxx","error":{"code":"mcp_server_personal_authentication_required","message":"The tool post_message requires personal authentication, please authenticate to use it.","metadata":{"mcp_server_id":"ims_PcNnMHwVAdN9Ej","provider":"slack"}}}