Xcode crashes when I open a specific XIB file

I had a XIB file which worked fine until today – when I try to open it in Xcode, the beachball appears and after 1 minute Xcode crashes. Others XIBs work just fine. Also, if I just build and run the project right to my device, its also work (and XIB works at the app).

Here is the error message:

  • starting ios project without storyboard
  • Xcode: Copy files from one Project to another in same workspace
  • Move all subviews to container view keeping positions and constraints
  • How do I add Main Menu to xib
  • How can I recycle UITableViewCell objects created from a XIB?
  • Adding border with width to UIView show small background outside
  • Crashed Thread:  0  Dispatch queue: com.apple.main-thread
    Exception Type:  EXC_CRASH (SIGABRT)
    Exception Codes: 0x0000000000000000, 0x0000000000000000
    Application Specific Information:
    ProductBuildVersion: 4G1004
    ASSERTION FAILURE in /SourceCache/IDEInterfaceBuilderCocoaTouch/IDEInterfaceBuilderCocoaTouch-1929/IBPlugin/Utilities/IBObjectMarshalling.m:651
    Details:  Failed to arbitrate IBNSLayoutConstraint, IBUIButton, IBUIImageView, IBUILabel, IBUITextField, and IBUIView.
    Interface Builder encountered an error communicating with the iOS Simulator. If you choose to file a crash report or radar for this issue, please check Console.app for crash reports for "Interface Builder Cocoa Touch Tool" and include their content in your crash report.
    Exception name: NSInternalInconsistencyException

    I will appreciate any ideas and thoughts!

    2 Solutions Collect From Internet About “Xcode crashes when I open a specific XIB file”

    Are you using the autoLayout Property ? Uncheck the checkbox that says Use AutoLayout and it should work fine. Unchecking this and then saving the file seems to fix the problem for me earlier. check this link for further details Xcode Interface Builder crashes when I edit storyboard

    If Xcode crashes as soon as you click on the xib file, you won’t be able to uncheck Use AutoLayout. Here’s how you can change it:

    1. Right-click on the .xib file in the Project Navigator
    2. Choose Open As… > Source Code
    3. Find this line towards the end: <bool key="IBDocument.UseAutolayout">YES</bool>
    4. Change YES to NO
    5. Save File
    6. Right-click on the .xib file again in the Project Navigator
    7. Choose Open As… > Interface Builder – iOS