Creating my first app: error

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Hi community,   I've started the Rapid learning path and went on to create my first app (using the Mac version), after naming it, I receive this error message:   Object reference not set to an instance of an object.   System.NullReferenceException: Object reference not set to an instance of an object.   at Mendix.Modeler.VersionControl.Git.Services.Repository.GitCliRepositoryProvider.Push(String workingDirectory, String remoteName, String remotePushUrl, IReadOnlyList`1 refSpec)   at Mendix.Modeler.VersionControl.Git.Services.Repository.GitRepositoryService.Push(String workingDirectory, Option`1 refSpec)   at Mendix.Modeler.VersionControl.Actions.GitPushAction.Execute(String workingDirectory, Option`1 refSpec)   at Mendix.Modeler.VersionControl.Operations.Git.GitPushChangesOperation.Execute(String projectDirectory, String[] branchNames)   at Mendix.Modeler.VersionControl.CommitWorker.PushToRepository(IProject project, PushKind pushKind)   at Mendix.Modeler.VersionControl.ProjectUploader.UploadNewProject(IProject project, UploadProjectInfo uploadProjectInfo)   at Mendix.Modeler.ProjectHandling.View.Uploaders.ProjectUploaderUI.UploadNewProject(IProject project, UploadProjectInfo uploadProjectInfo)   at Mendix.Modeler.ProjectHandling.View.Creators.ProjectInitializer.<>c__DisplayClass9_0.<AddUploadToVersionControlServerStep>b__0(IProgressInfo info)   at Mendix.Modeler.Utility.Progress.StepBase`1.Run(TProgressInfo info)   at Mendix.Modeler.Utility.Progress.StepBase`1.Mendix.Modeler.Utility.Progress.IStep.Run(Object progressInfo)   at Mendix.Modeler.UIFramework.Progress.ProcessRunner.RunStep(IStep step)   at Mendix.Modeler.UIFramework.Progress.ProcessRunner.OnDoWork(Object sender, DoWorkEventArgs e)   at System.ComponentModel.BackgroundWorker.WorkerThreadStart(Object argument)--- End of stack trace from previous location ---   at Mendix.Modeler.UIFramework.Progress.ProcessRunner.Run()   at Mendix.Modeler.ProjectHandling.View.Packages.ProjectPackageImporter.Import(CreateProjectConfig config, ZipFile zipFile, ModelerPackage package, String title, Boolean isNewProject)   at Mendix.Modeler.ProjectHandling.View.Creators.EmptyProjectCreator.CreateEmptyProject(CreateProjectConfig config)   at Mendix.Modeler.ProjectHandling.View.Creators.ProjectCreator.CreateEmptyProject(AppSettings settings)   at Mendix.Modeler.ProjectHandling.View.Creators.ProjectCreator.CreateProject(AppTemplate template, AppSettings settings)   at Mendix.Modeler.ProjectHandling.View.Creators.ProjectCreatorUI.CreateProject(AppTemplate template)   at Mendix.Modeler.Core.View.MacOS.Dashboard.NewAppOption.<>c__DisplayClass1_0.<BlankApp>b__0()   at Mendix.Modeler.Core.View.MacOS.Dashboard.SelectNewAppOptionForm.OnFinish()   at Mendix.Modeler.UIFramework.Wizards.WizardFormSpec.OnOKPressed()   at Mendix.Modeler.UIFramework.UIFrameworkWindow.CommitEditAndValidate()   at Mendix.Modeler.UIFramework.UIFrameworkWindow.Commit()   at Mendix.Modeler.UIFramework.ButtonSpec.<>c__DisplayClass43_0.<GetCommandWithAction>b__0(Object _, EventArgs _)   at Eto.Forms.Command.OnExecuted(EventArgs e)   at Eto.Forms.Command.Execute()   at Eto.Forms.Command.System.Windows.Input.ICommand.Execute(Object parameter)   at Eto.PropertyStore.CommandWrapper.Command_Execute(Object sender, EventArgs e)   at Eto.PropertyStore.TriggerEvent[T](Object key, Object sender, T args)   at Eto.Forms.Button.OnClick(EventArgs e)   at Eto.Forms.Button.Callback.OnClick(Button widget, EventArgs e)   at Eto.Mac.Forms.Controls.ButtonHandler`2.OnActivated()   at Eto.Mac.Forms.Controls.ButtonHandler`2.HandleActivated(Object sender, EventArgs e)   at AppKit.ActionDispatcher.OnActivated(NSObject sender)   at InvokeStub_ActionDispatcher.OnActivated(Object, Span`1)   at System.Reflection.MethodBaseInvoker.InvokeWithOneArg(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)--- End of stack trace from previous location ---   at ObjCRuntime.Runtime.InvokeMethod(MethodBase method, Object instance, IntPtr native_parameters)   at ObjCRuntime.Runtime.InvokeMethod(MonoObject* methodobj, MonoObject* instanceobj, IntPtr native_parameters)   at ObjCRuntime.Runtime.bridge_runtime_invoke_method(MonoObject* method, MonoObject* instance, IntPtr parameters, IntPtr* exception_gchandle)--- End of stack trace from previous location ---   at ObjCRuntime.Runtime.RethrowManagedException(IntPtr exception_gchandle)   at ObjCRuntime.Runtime.rethrow_managed_exception(IntPtr original_exception_gchandle, IntPtr* exception_gchandle)   at Eto.Mac.Messaging.void_objc_msgSendSuper_IntPtr(IntPtr receiver, IntPtr selector, IntPtr arg1)   at Eto.Mac.Forms.MacView`3.TriggerMouseDown(NSObject obj, IntPtr sel, NSEvent theEvent)   at Eto.Mac.Forms.MacView.TriggerMouseDown(IntPtr sender, IntPtr sel, IntPtr e)--- End of stack trace from previous location ---   at ObjCRuntime.Runtime.RethrowManagedException(IntPtr exception_gchandle)   at ObjCRuntime.Runtime.rethrow_managed_exception(IntPtr original_exception_gchandle, IntPtr* exception_gchandle)   at ObjCRuntime.Messaging.IntPtr_objc_msgSend_IntPtr(IntPtr receiver, IntPtr selector, IntPtr arg1)   at AppKit.NSApplication.RunModalSession(IntPtr session)   at Eto.Mac.Forms.ModalEventArgs.RunSessionInternal()   at Eto.Mac.Forms.ModalEventArgs.RunSession()   at Eto.Mac.Forms.ModalEventArgs.RunModal()   at Eto.Mac.Forms.MacModal.Run(Window window, NSWindow nativeWindow, ModalEventArgs& helper, Boolean isSheet)   at Eto.Mac.Forms.DialogHandler.ShowModal()   at Eto.Forms.Dialog.ShowModal()   at Mendix.Modeler.UIFramework.DialogManager.<>c__DisplayClass16_0`1.<ShowEtoDialog>b__0()   at Mendix.StudioPro.MacOS.StudioProApplicationHandler.ActionWrapper.PerformAction()
asked
2 answers
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Hi Maria,

I am facing same issue when create first app also, problem resolved after upgrade Git, Eclipse Temurin JDK, Windows Desktop Runtime to latest version. These three apps installed when we install Mendix but not latest version.

 

Regards,

YC

answered
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Hi Mariya,

 

If you are using older version then Try use recent Mendix version. 

already latest the try raise mendix support ticket

 

Hope it helps!

Thanks & Regards,

Manikandan K

answered