Could not build module UIKit

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Suddenly it stops building application in device. In simulator its working but when I connect the device and try to run it in device it gives me an error:

Could not build module UIKit

I tries a lot but couldn't solve it.

A full clean + deleting the derived data worked for me.

Be sure to fix any code that may be broken because UIKit cannot be installed, before the clean and build.

So, for example, if you are trying to reference UICollectionViewController, and need UIKit to reference it, comment out the code that is using UICollectionViewController, comment out the import for UIKit.

Then clean, build. Now uncomment import UIKIt, build. NOW uncomment UICollectionViewController code, build again.

Can't solve "Could not build module "UIKit", Try creating some demo project and check if same error coming in new project? and if the error remain same then you will need to uninstall the Xcode and re-install it. Setting Framework Search Paths miscorrect causes the same error. Check your Framework Search Paths and be sure it's setup correctly. Could not build module 'UIKit" It is due to UIKit framwork some how get deleted or Typed something inside it. Deleting Xcode and reinstalling it. Error got solved.

Please don't make the same mistake like I did. In my case, I accidentally typed some words into Foundation framework file.

Could not build module 'UIKit', I tried multiple times after cleaning, removing derived data, but still getting the below error: While building module 'UIKit' imported from  Just disable that checkbox and you're not able to change a header without a popup warning from Xcode. – HAS Dec 1 '16 at 16:53 This is not present in my Xcode.

Something that might help would be to set the Derived Data location to "Relative" in XCode preferences, then Clean & Build

Could not build module UIKit, In simulator its working but when I connect the device and try to run it in device it gives me an error: Could not build module UIKit I tries a lot but couldn't solve it. Could not build module UIKit. Suddenly it stops building application in device. In simulator its working but when I connect the device and try to run it in device it gives me an error: I tries a lot but couldn't solve it. Sounds a bit as if your iOS SDK (device part) got fried.

For some reason your UIKit.framework is corrupted, either copy a working UIKit.framework from somewhere else into

/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks

Or reinstall Xcode the fix the issue.

Can't solve “Could not build module ”UIKit" - ios, On the way to develop iOS app in Objective-C and writing some code, Suddenly the error "Could not build module "UIKit" appeared. Opening the other Xcode  I solved the issue by deleting and adding UIKit.framework in Build Phases -> Link Binary With Libraries and set project's minimum iOS Version was 6.0. share | improve this answer answered Jun 4 '15 at 7:15

I accidentally edited Foundation framework file. So UIKit.framework got corrupted. The only solution is recover the original.

You have 2 solutions:

1. Just Re-install XCode.

OR

2. Copy the Framework from another Mac (with same XCode version) & paste into yours.

Location:

/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks

could not build module 'UIKit', 'CoreFoundation' : OC-9849, This is the error I encounter when trying to build a project on AppCode EAP 137.48 (same error occured in the previous EAP). The project builds correctly on​  fatal error: could not build module 'UIKit' #118. BlueIceWhiteNight opened this issue Apr 13, 2018 · 13 comments Comments. Copy link Quote reply

Build fails with fatal error: could not build module 'UIKit' when , Build fails with fatal error: could not build module 'UIKit' when -fmodules-cache-​path is not empty or broken. 1. Relates to 1 Is duplicated by 1 Subtask of 1. Join GitHub today. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.

Could not build module 'Foundation', 'UIKit, ', but with same source code on xcode 9.3 and xcode 10 facing the issues as "​could not build module 'UIKit', 'Foundation' etc" as shown in attached  For now I’m going to assume this is a usage question, not an issue with the tool itself and as such am closing it. Please create a new ticket in case you find an issue with the tool itself, for usage question please use places like StackOverflow.

Can not build module UIKit, In a video tutorial, I saw a small example of writing in pure code, using Xcode 4.5 to work properly. The Xcode 5.1 I used does not work, prompting could not 

Comments
  • Sounds a bit as if your iOS SDK (device part) got fried. First thing that comes to mind is reinstalling Xcode.
  • @Till yes you are right, i reinstall the xcode and now it works thanks
  • Reinstalling the Xcode worked
  • Tried everything, can't seem to resolve it in XCode7.3beta. Any ideas?
  • Just a tip: This occurred when I accidentally typed something in UICollectionView.h, replacing the particular file physically inside sdk folder with another fresh copy of this header from my friend's sdk solved this. You could also replace the entire sdk folder. This will save you from re-installing.
  • Even full clean + deleting derived data + restart xcode + restart mac did not work for me...
  • Haha. LOL. That's what I did.
  • Bizarre, same problem. Why are those files even editable?
  • Oh man... That's exactly what I did! Thanks so much. I'm just surprised because my XCode 8 doesn’t show that alert when I accidentaly edit a system header file...
  • just remove what you accidentally typed from foundation framework file.
  • Same issue here. Insane how fast my build went FUBAR. The errors should point you to the altered file. Fixed it by copying the same header file, but from the "normal" iOS framework instead of the simulator (or vice versa). Use the breadcrumb above the code to navigate, copy-paste and voilá.
  • But the application size is increasing. Its create a Derived data folder in Application and its size is 67 MB. :(
  • Should you need to set this value using a script, you can read/write it using plutil: plutil -extract IDECustomDerivedDataLocation xml1 -o - ~/Library/Preferences/com.apple.dt.Xcode.plist
  • Correct, This occurred when I accidentally typed something in UICollectionView.h. Instead of reinstalling xcode, replacing the particular file physically inside sdk folder with another fresh copy of this header from my friend's sdk solved this.