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jyothsna reddy 5jyothsna reddy 5 

Creating the AccountList component in Building an Account Geolocation App error

The code snippets are incomplete in the trail named "Build an Account Geolocation App". I was unable to complete some tasks.Whenever I preview my application, it gives a the error as shown
in the screenshot. Can you please give me an idea where this problem might be? I would be really grateful.​

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Andy BoettcherAndy Boettcher
The "length of undefined" error is typically seen when you have a "variable.length" statement where you haven't set the value of the variable yet.  Can you post your code in here?  (remember to use the code snippet button!)