Website Application - User Request Error

Error in:
https://www.hesimanipur.org.in/WebResource.axd?d=pynGkmcFUV13He1Qd6_TZOyjZOh3l4eSB_83iJxILnk4ysU25cOTk0B_v4hS4X9PWn5YMKWujEyOVzoGRJTZ7Q2&t=638628405619783110

Error Message:
This is an invalid webresource request.

Stacktrace Error Message:
at System.Web.Handlers.AssemblyResourceLoader.System.Web.IHttpHandler.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)

Return Process
Back to the Previous Page