If you have tried

  • Restarting Xcode, iPhone, computer
  • Cleaning & rebuilding
  • Revoking and creating new certificate/provision profile
  • Runpath Search Paths is $(inherited) @executable_path/Frameworks
  • Embedded Content Contains Swift Code is 'Yes'
  • Code Signing Identity is developer

Below is the error in entirety

dyld: Library not loaded: @rpath/libswiftCore.dylib    Referenced from: /private/var/mobile/Containers/Bundle/Application/LONGSERIALNUMBER/AppName.app/AppName    Reason: no suitable image found.  Did find:      /private/var/mobile/Containers/Bundle/Application/LONGSERIALNUMBER/AppName.app/Frameworks/libswiftCore.dylib: mmap() error 1 at  address=0x008A1000, size=0x001A4000 segment=__TEXT in Segment::map() mapping  /private/var/mobile/Containers/Bundle/Application/LONGSERIALNUMBER/APPLICATION_NAME/Frameworks/libswiftCore.dylib
Then for me none of the previous solutions worked. We discovered that there is an " mbedded Content Contains Swift Code" flag in the Build Settings that needs to be set to YES. It was NO by default! After setting this, clean the project before building again.

I guess you came to this post by searching similar kind of issues in any of the search engine and hope that this resolved your problem. If you find this tips useful, just drop a line below and share the link to others and who knows they might find it useful too. 

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