# iOS Apprentice MyLocations code problems

**URL:** <https://forums.kodeco.com/t/ios-apprentice-mylocations-code-problems/94205>\
**Category:** iOS Apprentice\
**Created:** [January 10, 2020, 11:48pm UTC](https://forums.kodeco.com/t/ios-apprentice-mylocations-code-problems/94205 "2020-01-10T23:48:07Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![syktek](https://assets.chunter.kodeco.com/user_avatar/forums.kodeco.com/syktek/32/102075_2.png) [@syktek](https://forums.kodeco.com/u/syktek)\
**Post date:** [January 10, 2020, 11:48pm UTC](https://forums.kodeco.com/t/ios-apprentice-mylocations-code-problems/94205/1 "2020-01-10T23:48:08Z")

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I entered all the code for MyLocations up to Locations Tab. The program compiles but it had a fatal error as indicated in my previous post viz

In AppDelegate.swift

var window: UIWindow?

let tabController = window!.rootViewController as! UITabBarController

Thread 1: Fatal error: Unexpectedly found nil while unwrapping an Optional value

I would appreciate any advice.

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**Author:** ![saipurva](https://assets.chunter.kodeco.com/user_avatar/forums.kodeco.com/saipurva/32/81494_2.png) [@saipurva](https://forums.kodeco.com/u/saipurva)\
**Post date:** [February 22, 2020, 8:27am UTC](https://forums.kodeco.com/t/ios-apprentice-mylocations-code-problems/94205/2 "2020-02-22T08:27:59Z")

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did you find any solution?

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**Author:** ![shogunkaramazov](https://assets.chunter.kodeco.com/user_avatar/forums.kodeco.com/shogunkaramazov/32/108826_2.png) [@shogunkaramazov](https://forums.kodeco.com/u/shogunkaramazov)\
**Post date:** [July 2, 2020, 11:44pm UTC](https://forums.kodeco.com/t/ios-apprentice-mylocations-code-problems/94205/4 "2020-07-02T23:44:31Z")

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@syktek @saipurva Do you still have issues with this?

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**Author:** ![shogunkaramazov](https://assets.chunter.kodeco.com/user_avatar/forums.kodeco.com/shogunkaramazov/32/108826_2.png) [@shogunkaramazov](https://forums.kodeco.com/u/shogunkaramazov)\
**Post date:** [July 2, 2020, 11:45pm UTC](https://forums.kodeco.com/t/ios-apprentice-mylocations-code-problems/94205/5 "2020-07-02T23:45:05Z")

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Opened on July 2, 2020, 11:45pm UTC