Erro at star up

Erro at star up

xdk:server: Http server started on the standard port 58889
editor:server: Startup complete, serving on port: 57857
client:navbar: navbar options: {"updatePollingInterval":1800,"forceUpdate":false}
xdk:client: Unexpected exception while initializing "project-manager" (maybe crash): TypeError: Cannot call method 'getRootDirectory' of undefined
TypeError: Cannot call method 'getRootDirectory' of undefined
    at checkProjectExists_ (file:///Applications/XDK.app/Contents/Resources/app.nw/components/client/project-manager/project-manager.js:17:22604)
    at lazyOpen (file:///Applications/XDK.app/Contents/Resources/app.nw/components/client/project-manager/project-manager.js:17:1110)
    at eval (file:///Applications/XDK.app/Contents/Resources/app.nw/components/client/project-manager/project-manager.js:17:23049)
From previous event:
    at loadProjectList (file:///Applications/XDK.app/Contents/Resources/app.nw/components/client/project-manager/project-manager.js:17:23015)
    at eval (file:///Applications/XDK.app/Contents/Resources/app.nw/components/client/project-manager/project-manager.js:17:27514)
    at _fulfilled (/Applications/XDK.app/Contents/Resources/app.nw/public/external/js/q.js:880:54)
    at resolvedValue.promiseDispatch.done (/Applications/XDK.app/Contents/Resources/app.nw/public/external/js/q.js:910:30)
    at makePromise.promise.promiseDispatch (/Applications/XDK.app/Contents/Resources/app.nw/public/external/js/q.js:557:13)
    at Object.eval [as _onImmediate] (/Applications/XDK.app/Contents/Resources/app.nw/public/external/js/q.js:436:41)
    at processImmediate [as _immediateCallback] (timers.js:330:15)
xdk:client: Unexpected exception while initializing "persistance" (maybe crash): TypeError: Cannot call method 'getRootDirectory' of undefined
TypeError: Cannot call method 'getRootDirectory' of undefined
    at checkProjectExists_ (file:///Applications/XDK.app/Contents/Resources/app.nw/components/client/project-manager/project-manager.js:17:22604)
    at lazyOpen (file:///Applications/XDK.app/Contents/Resources/app.nw/components/client/project-manager/project-manager.js:17:1110)
    at eval (file:///Applications/XDK.app/Contents/Resources/app.nw/components/client/project-manager/project-manager.js:17:23049)
From previous event:
    at loadProjectList (file:///Applications/XDK.app/Contents/Resources/app.nw/components/client/project-manager/project-manager.js:17:23015)
    at eval (file:///Applications/XDK.app/Contents/Resources/app.nw/components/client/project-manager/project-manager.js:17:27514)
    at _fulfilled (/Applications/XDK.app/Contents/Resources/app.nw/public/external/js/q.js:880:54)
    at resolvedValue.promiseDispatch.done (/Applications/XDK.app/Contents/Resources/app.nw/public/external/js/q.js:910:30)
    at makePromise.promise.promiseDispatch (/Applications/XDK.app/Contents/Resources/app.nw/public/external/js/q.js:557:13)
    at Object.eval [as _onImmediate] (/Applications/XDK.app/Contents/Resources/app.nw/public/external/js/q.js:436:41)
    at processImmediate [as _immediateCallback] (timers.js:330:15)
[Log closed from xdk:client]

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