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.CodeCollection.GetCode(String instanceId, CodeGenerationPurpose purpose, CodeStyle codeStyle, Int32 codeLength) +106
   BotDetect.CaptchaBase.GetCode(String instanceId, CodeGenerationPurpose purpose) +210
   BotDetect.CaptchaBase.GetSound(String instanceId) +140
   BotDetect.Web.CaptchaHandler.GetSound(HttpContext ) +465
   BotDetect.Web.CaptchaHandler.ProcessRequest(HttpContext context) +90

[CaptchaHttpException: An error occured in BotDetect internal code - Http error - Check inner expection for details.]
   BotDetect.Web.CaptchaHandler.ProcessRequest(HttpContext context) +297
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +188
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +48
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +71


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.4087.0