The client (?) has encountered a potentially dangerous Request.Path value.
Explanation: An unhandled exception occurred while executing the current web request. Review the stack trace for more information about the error that occurred and where the error occurred in the code.
Exception information: System.Web.HttpException: The client (?) has encountered a potentially dangerous Request.Path value.
Version information: Microsoft .NET Framework Version:4.0.30319; ASP.NET version:4.8.4330.0