Is any one help me out to solved this below error.
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. —> System.ArgumentNullException: Column name is null or empty.Parameter name: columnName at Microsoft.Dynamics.Retail.StoreConnect.Request.SQLHandler.SCSqlReadByFilterRequest.AddFilter(String columnName, FilterOperator op, String filterValue) — End of inner exception stack trace — at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor) at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments) at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) at Microsoft.Dynamics.AX.ManagedInterop.ClrBridgeImpl.InvokeClrInstanceMethod(ClrBridgeImpl* , ObjectWrapper* objectWrapper, Char* pszMethodName, Int32 argsLength, ObjectWrapper** arguments, Boolean* argsAreByRef, Boolean* isException)