Server Error in '/' Application.

Could not load type 'System.Web.Handlers'.

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.Web.HttpException: Could not load type 'System.Web.Handlers'.

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): Could not load type 'System.Web.Handlers'.]
   System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase) +385
   System.Web.Configuration.HandlerFactoryCache.GetTypeWithAssert(String type) +50
   System.Web.Configuration.HandlerFactoryCache.GetHandlerType(String type) +18
   System.Web.Configuration.HandlerFactoryCache..ctor(String type) +26
   System.Web.HttpApplication.GetFactory(String type) +107
   System.Web.MaterializeHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +295
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +75
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +158


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0