Exception has been thrown by the target of an invocation.

The error description is as follows :
Source:    mscorlib
Message: Exception has been thrown by the target of an invocation.
Stack Trace:

at System.RuntimeMethodHandle._InvokeMethodFast(Object target, Object[] arguments, SignatureStruct& sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
at System.Web.Handlers.ScriptResourceHandler.DecryptString(String s)
at System.Web.Handlers.ScriptResourceHandler.DecryptParameter(NameValueCollection queryString)
at System.Web.Handlers.ScriptResourceHandler.ProcessRequest(HttpContex ...