HTTP Error 500.50 - URL Rewrite Module Error.

Below is the error i am getting when trying to redirect incoming file. i need help.

System.ArgumentException: Rewrite file provider exception. The file "C:\Webs\redirect.txt" does not exist. at FileBaseProvider.Initialize(IDictionary`2 settings, IRewriteContext rewriteContext) at Microsoft.Web.Iis.Rewrite.RewriteProviderManager.RegisterProvider(String providerName, String providerType, String[] settings, IRewriteContextInterop rewriteContext)