async Dynamic partial view using action

Question

System.Web.HttpException: 'Error executing child request for handler 'System.Web.Mvc.HttpHandlerUtil+ServerExecuteHttpHandlerAsyncWrapper'.' InvalidOperationException: HttpServerUtility.Execute blocked while waiting for an asynchronous operation to complete. my partail view codemy render controller methode My get method that is async to call api

i tried to access render partial view but fails i want dynamic async partial view using @html.Action or any other