Log Showing Error

Im Getting this error in my log pretty regularly with version 3.0.0.56:

Running script weatherXML_HSPhone.vb :Exception has been thrown by the target of an invocation.->Does entry point Main exist in script? at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor) at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Obj ect obj, Object[] parameters, Object[] arguments) at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) at A.c17b105f989efe61e5979e67bec1ef734.cffd66cb0782c50126727e3f a75582d7a()

Any thoughts?