Event Log Of Acumatica When Slow Performance

I got this error in event log of window server. So advice me what’s happened ?

Event code: 3005 
Event message: An unhandled exception has occurred. 
Event time: 12/06/23 16:46:57 
Event time (UTC): 12/06/23 09:46:57 
Event ID: 4659b5c279404d9a979b5c450dfdecd5 
Event sequence: 1976 
Event occurrence: 6 
Event detail code: 0 
 
Application information: 
    Application domain: /LM/W3SVC/16/ROOT-1-133310359607128823 
    Trust level: Full 
    Application Virtual Path: / 
    Application Path: C:\Program Files\Acumatica ERP\Medivet2022R2\ 
    Machine name: MEDIVETSERVER 
 
Process information: 
    Process ID: 3520 
    Process name: w3wp.exe 
    Account name: IIS APPPOOL\Medivet2022R2 
 
Exception information: 
    Exception type: HttpException 
    Exception message: The remote host closed the connection. The error code is 0x800704CD.
   at System.Web.Hosting.IIS7WorkerRequest.RaiseCommunicationError(Int32 result, Boolean throwOnDisconnect)
   at System.Web.Hosting.IIS7WorkerRequest.ExplicitFlush()
   at System.Web.HttpResponse.Flush(Boolean finalFlush, Boolean async)
   at System.Web.HttpWriter.Write(String s)
   at PX.Web.UI.PXPage.OnError(EventArgs e)
   at System.Web.UI.Page.HandleError(Exception e)
   at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
   at System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
   at System.Web.UI.Page.ProcessRequest()
   at System.Web.UI.Page.ProcessRequest(HttpContext context)
   at PX.Web.UI.PXPage.ProcessRequest(HttpContext context)
   at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   at System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step)
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)

 
 
Request information: 
    Request URL: http://192.168.100.7:8899/pages/ar/ar302000.aspx 
    Request path: /pages/ar/ar302000.aspx 
    User host address: 192.168.100.79 
    User: Sophany@AG 
    Is authenticated: True 
    Authentication Type: Forms 
    Thread account name: IIS APPPOOL\Medivet2022R2 
 
Thread information: 
    Thread ID: 41 
    Thread account name: IIS APPPOOL\Medivet2022R2 
    Is impersonating: False 
    Stack trace:    at System.Web.Hosting.IIS7WorkerRequest.RaiseCommunicationError(Int32 result, Boolean throwOnDisconnect)
   at System.Web.Hosting.IIS7WorkerRequest.ExplicitFlush()
   at System.Web.HttpResponse.Flush(Boolean finalFlush, Boolean async)
   at System.Web.HttpWriter.Write(String s)
   at PX.Web.UI.PXPage.OnError(EventArgs e)
   at System.Web.UI.Page.HandleError(Exception e)
   at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
   at System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
   at System.Web.UI.Page.ProcessRequest()
   at System.Web.UI.Page.ProcessRequest(HttpContext context)
   at PX.Web.UI.PXPage.ProcessRequest(HttpContext context)
   at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   at System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step)
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
 
 
Custom event details: