I keep getting this error when i try to test my app on Xcode in my iPhone, Ive tried everything. Please help

Question

dyld: Library not loaded: @rpath/libswiftCore.dylib Referenced from: /var/mobile/Containers/Bundle/Application/A6700890-F2CA-4481-AAE8-BD2AD3340664/Test.app/Test Reason: no suitable image found. Did find: /private/var/mobile/Containers/Bundle/Application/A6700890-F2CA-4481-AAE8-BD2AD3340664/Test.app/Frameworks/libswiftCore.dylib: mmap() errno=1 validating first page of '/private/var/mobile/Containers/Bundle/Application/A6700890-F2CA-4481-AAE8-BD2AD3340664/Test.app/Frameworks/libswiftCore.dylib' /private/var/mobile/Containers/Bundle/Application/A6700890-F2CA-4481-AAE8-BD2AD3340664/Test.app/Frameworks/libswiftCore.dylib: mmap() errno=1 validating first page of '/private/var/mobile/Containers/Bundle/Application/A6700890-F2CA-4481-AAE8-BD2AD3340664/Test.app/Frameworks/libswiftCore.dylib' (lldb)

Answer 1

I ran into this issue and drove myself crazy trying to figure it out. After many hours of google searching and heavy investigation, I stumbled upon a tech document that helped me resolve the issue.

Look at the "Check the Signature For a Failure Root Cause" section in https://developer.apple.com/library/ios/technotes/tn2318/_index.html#//apple_ref/doc/uid/DTS40013777-CH1-ROOTCAUSE.

The link I just mentioned tells you do to this:

codesign --verify -vvvv -R='anchor apple generic and certificate 1[field.1.2.840.113635.100.6.2.1] exists and (certificate leaf[field.1.2.840.113635.100.6.1.2] exists or certificate leaf[field.1.2.840.113635.100.6.1.4] exists)' /path/to/the.app

If you get CSSMERR_TP_NOT_TRUSTED as a result of that command, look here: https://developer.apple.com/legacy/library/technotes/tn2250/_index.html#//apple_ref/doc/uid/DTS40009933-CH1-TNTAG19

Step 3) was what got it to work for me. Good luck!

I keep getting this error when i try to test my app on Xcode in my iPhone, Ive tried everything. Please help

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