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) +348
   BotDetect.CaptchaBase.GetSound(String instanceId) +215
   BotDetect.Web.CaptchaHandler.GenerateSoundData(CaptchaControl captchaControl, String instanceId) +45
   BotDetect.Web.CaptchaHandler.GetSoundData(HttpContext context, CaptchaControl captchaControl, String instanceId) +75
   BotDetect.Web.CaptchaHandler.GetSound(HttpContext ) +164
   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) +418
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +790
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +195
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +88


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3535.0