A probably harmful Request.Path worth was detected from the consumer (?).

A probably harmful Request.Path worth was detected from the consumer (?).

Description: An unhandled exception occurred throughout the execution of the present internet request. Please overview the stack hint for extra details about the error and the place it originated within the code.

Exception Details: System.Web.HttpException: A probably harmful Request.Path worth was detected from the consumer (?).

Source Error:

Stack Trace:

[HttpException (0x80004005): A potentially dangerous Request.Path value was detected from the client (?).]
   System.Web.HttpRequest.ValidateInputIfRequiredByConfig() +678
   System.Web.PipelineStepManager.ValidateHelper(HttpContext context) +52