Custome auth code- not able to upload pbix file after adding custom auth code in PBI report server

[dsingh0123]

There was an error uploading your .pbix file. Verify that the file has not been corrupted and that the file extension matches the format of the file.
{"error":{"code":"102","message":"There was an error uploading your .pbix file. Verify that the file has not been corrupted and that the file extension matches the format of the file."}}

OData exception occurred: System.Net.WebException: The remote server returned an error: (401) Unauthorized.
at System.Net.HttpWebRequest.GetResponse()
at Microsoft.ReportingServices.Portal.ODataWebApi.Utils.PbixReportHelper.ShouldReShred(PowerBIReport entity, Uri basePortalUrl, ILogger logger, IPrincipal userPrincipal, String reportServerHostName)
at Microsoft.ReportingServices.Portal.ODataWebApi.Common.CatalogItemControllerHelper1.GetItem(String key) at Microsoft.ReportingServices.Portal.ODataWebApi.Common.CatalogItemControllerHelper1.GetPolicies(String Id)
at Microsoft.ReportingServices.Portal.ODataWebApi.V2.Controllers.PowerBIReportsController.GetPolicies(String Id)
at lambda_method(Closure , Object , Object[] )
at System.Web.Http.Controllers.ReflectedHttpActionDescriptor.ActionExecutor.<>c__DisplayClass6_2.b__2(Object instance, Object[] methodParameters)
at System.Web.Http.Controllers.ReflectedHttpActionDescriptor.ExecuteAsync(HttpControllerContext controllerContext, IDictionary`2 arguments, CancellationToken cancellationToken)
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Web.Http.Controllers.ApiControllerActionInvoker.d__1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Web.Http.Controllers.ActionFilterResult.d__5.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Web.Http.Controllers.ExceptionFilterResult.d__6.MoveNext().| RequestID = s_dbc788d4-ad74-4abf-9f9f-3f7c0c0da1f0
2023-03-01 22:12:03.1861|INFO|57|Sending response. Response code 500, Elapsed time 0:00:00.0071409| RequestID = s_dbc788d4-ad74-4abf-9f9f-3f7c0c0da1f0

[FilopateerMaged]

Have you had any luck finding out why this happens ? facing same issue.