Mesaj önizlemesi hata veriyor Server Error in '/' Application. Exception Details: System. Web. HttpException: A potentially dangerous Request. Path value was detected from the client ( Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace: [HttpException (0x80004005): A potentially dangerous Request. Path value was detected from the client ( System. Web. HttpRequest. ValidateInputIfRequiredByConfig +11955143 System. Web. PipelineStepManager. ValidateHelper +55 Version Information: Microsoft. NET Framework Version:4.0.30319; ASP. NET Version:4.6.1087.0