I am getting this error message while trying to launch my app in simulator. What is the actual issue?
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Have you localized info.plist file..? – Piyush Mathur Jun 20 '17 at 09:35
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@piyushMathur - Nope – Ios App developer Jun 20 '17 at 09:41
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@PiyushMathur if we do have a localized plist file, is there something else we can try? We get the same error the 2nd time we run the app on the simulator. Workflow is... delete app from simulator, run the app, it works, run the app again, it shows that error. – Ryan Ferretti Aug 18 '17 at 15:29
5 Answers
Do below steps,
- Clean Build
- Delete Derived Data
- Simulator (Reset Content and Settings)
- Quit Xcode & Run Again

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I did the same steps. Now am not getting the issue. May i know the cause for the issue? – Ios App developer Jun 20 '17 at 09:50
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There are many cases for this, like multiple time run app in simulator, some internal process are woking you hit the run etc... – Bhavesh Dhaduk Jun 20 '17 at 09:59
The apps installed in the simulator could have become inconsistent.
Resetting the Content and Settings will solve the issue.
Also try to clear Derived Data then clean and build the project.

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In my case the Build number was wrong. So in the Info.plist the Build number disappeared, it was blank.
To fix this, I had to re-enter the build number. Delete the app from the simulator Then when I built the app it installed again on the Simulator and started to work fine in subsequent builds as well.

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In my case this problem is caused by special character in Product Name
Note that Product Name
differs from Display Name
which is displayed below app icon as your app name.
So don't worry about changing Product Name
requires change your app name, just choose an ascii name and error gone

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