Server Error in '/' Application.

Object reference not set to an instance of an object.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

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:


[NullReferenceException: Object reference not set to an instance of an object.]
   BotDetect.CaptchaBase.GetCode(String instanceId, CodeGenerationPurpose purpose) +328
   BotDetect.CaptchaBase.GetSound(String instanceId) +190
   BotDetect.Web.CaptchaHandler.GenerateSoundData(CaptchaControl captchaControl, String instanceId) +64
   BotDetect.Web.CaptchaHandler.GetSoundData(HttpContext context, CaptchaControl captchaControl, String instanceId) +75
   BotDetect.Web.CaptchaHandler.GetSound(HttpContext ) +156
   BotDetect.Web.CaptchaHandler.ProcessRequest(HttpContext context) +99

[CaptchaHttpException: An error occured in BotDetect internal code - Http error - Check inner expection for details.]
   BotDetect.Web.CaptchaHandler.ProcessRequest(HttpContext context) +398
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +2081
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +220
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +577


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4494.0