System.InvalidOperationException: There is already a configuration for this URL.
   at Rejuicer.RejuicerEngine.AddConfiguration(RejuicerConfigurationSource config)
   at Rejuicer.CompactorConfigurer.Configure()
   at Cocio.WebUI.Infrastructure.PostRenderingFilter.SetScript(String html, Boolean combineMinify)
   at Cocio.WebUI.Infrastructure.PostRenderingFilter.OnResultExecuted(ResultExecutedContext filterContext)