le. To utilize a...">

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  <meta name="twitter:title" content="Loading / Error Substates - Routing - Ember Guides">

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  <meta name="twitter:description" content="The Ember Router allows you to provide feedback that a route is loading, as well as when an error occurs in loading a route. 

The error and loading substates exist as a part of each route, so they should not be added to your ro