Reactive Web Developer Course Using Widgets excercise error

                                         
                                   

the error is when I create the Number input parameter in the using widgets excercise and I use the `1-Click function feature it gives me an internal error.


This is the full error

Internal Error

An error occurred in task 'Update meta database model':
Object reference not set to an instance of an object.
Details : System.NullReferenceException: Object reference not set to an instance of an object.
   at OutSystems.HubEdition.DeploymentController.Database.DBScriptsExecutor.UpdateDb(String eSpaceName, HEMessageArrayList warnings, ObjectKey eSpaceKey, ObjectKey applicationKey, Int32 eSpaceVersionId, DeployPhase phase, String uniqueId, IDatabaseAccessService databaseAccessService, IIsolatedDbConfigurationService isolatedDbConfigurationService, IApplicationDbConfigurationService applicationDbConfiguration)
   at cs#erqolxha.InnerExecute()
   at OutSystems.HubEdition.ServerCommon.Tasks.AbstractTask.Execute()

Exception Details:
[1] Internal Error: An error occurred in task 'Update meta database model':
Object reference not set to an instance of an object.
Details : System.NullReferenceException: Object reference not set to an instance of an object.
   at OutSystems.HubEdition.DeploymentController.Database.DBScriptsExecutor.UpdateDb(String eSpaceName, HEMessageArrayList warnings, ObjectKey eSpaceKey, ObjectKey applicationKey, Int32 eSpaceVersionId, DeployPhase phase, String uniqueId, IDatabaseAccessService databaseAccessService, IIsolatedDbConfigurationService isolatedDbConfigurationService, IApplicationDbConfigurationService applicationDbConfiguration)
   at cs#erqolxha.InnerExecute()
   at OutSystems.HubEdition.ServerCommon.Tasks.AbstractTask.Execute()
at OutSystems.HubEdition.ServerCommon.Tasks.AbstractTask.Execute()
   at cs#erqolxfs.InnerExecute()
   at OutSystems.HubEdition.ServerCommon.Tasks.AbstractTask.Execute()
   at OutSystems.HubEdition.ServerCommon.Tasks.SequentialTaskRunner.Run()
   at OutSystems.HubEdition.DeploymentController.Tasks.OneClickPublish.OneClickPublishTask.InnerExecute()
   at OutSystems.HubEdition.ServerCommon.Tasks.AbstractTask.Execute()
   at OutSystems.HubEdition.DeploymentController.Compiler.cs#bhihcgjm.cs#rweuvvwj()
   at OutSystems.HubEdition.DeploymentController.Compiler.cs#pwerbjhy(Object fi)
   at OutSystems.HubEdition.ServerCommon.SandboxAwareThreadPool.sc#hjrysmqz.sc#vqskwbxc(Object gd)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
[2] System.NullReferenceException: Object reference not set to an instance of an object.
   at OutSystems.HubEdition.DeploymentController.Database.DBScriptsExecutor.UpdateDb(String eSpaceName, HEMessageArrayList warnings, ObjectKey eSpaceKey, ObjectKey applicationKey, Int32 eSpaceVersionId, DeployPhase phase, String uniqueId, IDatabaseAccessService databaseAccessService, IIsolatedDbConfigurationService isolatedDbConfigurationService, IApplicationDbConfigurationService applicationDbConfiguration)
   at cs#erqolxha.InnerExecute()
   at OutSystems.HubEdition.ServerCommon.Tasks.AbstractTask.Execute()



Solution