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dyld  Library not loaded   rpath libswiftCore dylib   Referenced from   var mobile Containers Bundle Application 3FC2DC5C-A908-42C4-8508-1320E01E0D5B Stylist app Stylist   Reason  no suitable image found   Did find       private var mobile Containers Bundle Application 3FC2DC5C-A908-42C4-8508-1320E01E0D5B testapp app Frameworks libswiftCore dylib  mmap   errno 1 validating first page of   private var mobile Containers Bundle Application 3FC2DC5C-A908-42C4-8508-1320E01E0D5B testapp app Frameworks libswiftCore dylib   lldb     I am getting this error when building on my iPhone  I am able to build on the simulator   I have redone all my provision files however I still can t build on my iPhone  My Xcode is like this     Is this a framework problem or a signing issue  This did not happen in Xcode 6  Thank you

User · Answer

You need to set certificate  just certificate  amp  not provisioning profile  for each and every dynamic framework you are linking directly or indirectly  in your project

User · Answer

This resolved my error-  Re-downloading the WWDR  Apple Worldwide Developer Relations Certification Authority   set to Use System Default as option

User · Answer

I solve the problem by check my local keychains Keep login keychain has the right certificate

User · Answer

I solved using these tricks   Step 1   Go to project build settings and add  executable path Frameworks to Runpath Search Paths option  Step 2    Go to target build settings and add  executable path Frameworks to Runpath Search Paths option and Framework Search Paths     Step 3   Re-downloading the WWDR  Apple Worldwide Developer Relations Certification Authority   set to Use System Default as option   Step 4   Delete All derived Data using Terminal  rm -rf   Library Developer Xcode DerivedData    Step 5   Delete All Certificates and reinstalled it to Keychain  I enabled the Use System Default option   Step 6   Restart Xcode

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For me this issue was appearing due to the WWRD cert -- Mine was up to date but for some reason it was set to  always trust  instead of  use system default   which apparently makes a difference

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In my case  it was an issue with one of the pods I was using  I ended up removing that pod and placing the code from it into my project manually

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I just cleaned the project and Clean Build Folder by alt Product menu

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In my case  the keychain is showing the certificate as untrusted  to solve this problem I have set the trust options of certificate as   Always trust   Setting the certificate to  Always trust  was the main cause of the crash  I was not able to install the application into device  Solved this by setting  trust option to  System defaults  instead of  Always trust   It worked for me

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Remove the app from device Clean the project  CMD   SHift   K  Build Run on device

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I recently faced this problem  I tried all possible solutions but nothing worked  At the end I just quit the Xcode   removed the certificates in keychain and installed everything fresh and restarted mac  Fortunately it worked like charm

User · Answer

For what it s worth  I hit a similar error in XCode 9 0 1  I tried uninstalling and reinstalling all my certs  but when I reinstalled  they seemed to remember the trust setting I had previously      What ended up working for me  it seems  was turning off the  Always Trust  setting of the  Apple Worldwide Developer Relations Certification Authority  cert followed by a reboot    What a cryptic issue

User · Answer

Xcode- gt Product- gt Clean   Xcode Restart   After attempting many of the other mentioned solutions  to my eternal embarrassment  doing an Xcode- Product- Clean and restarting Xcode  did the trick

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I ran into this issue with XCode 9  Nothing of the above worked out  This did the trick for me   Project  gt  Build Settings  gt  Swift Compiler - Search Path  Setting  Import Paths  to   PROJECT DIR   recursive

User · Answer

At the risk of sowing more confusion  I had this issue when updating to XC8   None of these suggestions  nor from any other thread  solved it   What DID work  was removing EVERYTHING from the  Link Binary with Libraries  build phase  the  Target Dependencies  build phase  and the  Linked Frameworks and Libraries  General setting   FYI  I m using Carthage and had added   PROJECT DIR  Carthage Build tvOS to the FRAMEWORK SEARCH PATHS build setting  so that my frameworks could be found   FYI 2  this projects and the frameworks  are 100  swift and the frameworks are building DEFINES MODULE   YES

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You may still get this issue after tried  Jieyi Hu Answer  may it s seems fixed but if it s comes again  possibly on xCode 9                       However  this workaround seems to work  applies to Cocoapods 1 5 x     clean your project close Xcode and delete DerivedData open Podfile in your project   and add this   post install do  installer    installer pods project build configurations each do  config      config build settings delete  CODE SIGNING ALLOWED       config build settings delete  CODE SIGNING REQUIRED     end end pod update   Sources   https   github com evgenyneu Cosmos issues 105  https   github com Skyscanner SkyFloatingLabelTextField issues 201 issuecomment-381915911  Thank you  C  dric

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Below steps worked out successfully    1  In the dynamic library install name had to be   loader path   2  In main project the Runpath Search Path has to be   loader path  and    loader path Frameworks   3  From keychain used view-- show expired certificates and removed everything   4  Deleted the Distribution certificate and reinstalled   5  Downloaded  developer apple com certificationauthority AppleWWDRCA cer and installed

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Cited from Technical Q amp A QA1886   Swift app crashes when trying to reference Swift library libswiftCore dylib   Q  What can I do about the libswiftCore dylib loading error in my device s console that happens when I try to run my Swift language app   A  To correct this problem  you will need to sign your app using code signing certificates with the Subject Organizational Unit  OU  set to your Team ID  All Enterprise and standard iOS developer certificates that are created after iOS 8 was released have the new Team ID field in the proper place to allow Swift language apps to run   Usually this error appears in the device s console log with a message similar to one of the following              deny-mmap  mapped file has no team identifier and is not a platform binary       private var mobile Containers Bundle Application 5D8FB2F7-1083-4564-94B2-0CB7DC75C9D1 YourAppNameHere app Frameworks libswiftCore dylib  Dyld Error Message    Library not loaded   rpath libswiftCore dylib  Exception Type  EXC BREAKPOINT  SIGTRAP  Exception Codes  0x0000000000000001  0x0000000120021088 Triggered by Thread  0  Referenced from   private var mobile Containers Bundle Application C3DCD586-2A40-4C7C-AA2B-64EDAE8339E2 TestApp app TestApp Reason  no suitable image found  Did find   private var mobile Containers Bundle Application C3DCD586-2A40-4C7C-AA2B-64EDAE8339E2 TestApp app Frameworks libswiftCore dylib  mmap   error 1 at address 0x1001D8000  size 0x00194000 segment   TEXT in Segment  map   mapping  private var mobile Containers Bundle Application C3DCD586-2A40-4C7C-AA2B-64EDAE8339E2 TestApp app Frameworks libswiftCore dylib Dyld Version  353 5   The new certificates are needed when building an archive and packaging your app  Even if you have one of the new certificates  just resigning an existing swift app archive won   t work  If it was built with a pre-iOS 8 certificate  you will need to build another archive   Important  Please use caution if you need to revoke and setup up a new Enterprise Distribution certificate  If you are an in-house Enterprise developer you will need to be careful that you do not revoke a distribution certificate that was used to sign an app any one of your Enterprise employees is still using as any apps that were signed with that enterprise distribution certificate will stop working immediately  The above only applies to Enterprise Distribution certificates  Development certs are safe to revoke for enterprise standard iOS developers   As the AirSign guys state the problem roots from the missing OU attribute in the subject field of the In-House certificate   Subject  UID 269J2W3P2L  CN iPhone Distribution  Company Name  OU 269J2W3P2L  O Company Name  C FR  I have an enterprise development certificate  creating a new one solved the issue

User · Answer

Removing the DerivedData did the trick for me    Did it through Xcode -  Preferences -  Locations -  clicked the arrow behind the DerivedData path and removed the whole DerivedData folder in the Finder

User · Answer

I have encountered this issue ONLY on the simulator  It seems to be related to some invalid Entitlements in our application  but the issue doesn t appear when we run on a device

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enter image description here  I have a similar issue  which detail information as the first image   My solution is that switch the certification always trust to use system defaults  just like  enter image description here enter image description here

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I had the same issue and was able to fix by re-downloading the WWDR  Apple Worldwide Developer Relations Certification Authority   Download from here    and set to Always Trust in the keychain  Changing to Use System Default  it work for me I hope this help you

User · Answer

I have this problem before for accidentally revoked my certificate  Then all my swift projects have this problem  There are two ways to solve this   Click on Product  rightarrow  Clean  or CMD   Shift   K   Or by manually cleaning the Xcode setting files    rm -rf    getconf DARWIN USER CACHE DIR  org llvm clang ModuleCache  rm -rf   Library Developer Xcode DerivedData rm -rf   Library Caches com apple dt Xcode

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I searched long on this issue  There are several reasons causes this issue   If you are facing when you and Swift code library in an Objectice C project you should try Solution 1-2-3  If you are facing this issue with a new a Swift project Solution 4 will fit you best   Solution 1   Restart Xcode  then computer and iPhone  Solution 2   Go to project build settings and set Embedded Content Contains Swift Code flag to YES  Solution 3   Go to project build settings and add  executable path Frameworks to Runpath Search Paths option  Solution 4   If none of above works  this should  Apple seems to be ninja patched certificates as mentioned in AirSign s post  At InHouse certificates  Subject  UID 269J2W3P2L  CN iPhone Distribution  Company Name  O Company Name  C FR   they added a new field named OU  Subject  UID 269J2W3P2L  CN iPhone Distribution  Company Name  OU 269J2W3P2L  O Company Name  C FR   so you should just recreate certificate and provision

User · Answer

You can regenerate your certificate and restart your iPhone   This work for me  I hope this help you

User · Answer

It occurred on my side when building an app in the command line via xcodebuild and xcrun PackageApplication  signing the app with an enterprise profile  On our CI build servers  the certificate was set to  Always Trust  in the keychain  select certificate -  Get Info -  Trust -   Use System Default  can be changed to  Always Trust    I had to set it back to  Use System Default  in order to make this work  Initially we set this to  Always Trust  to work-around the keychain dialogs that appear after software updates and certificate updates

User · Answer

faced same issue                        my developer certificate was expired so created new developer certificate and download clean and restart xcode this works for me

User · Answer

You see the same symptoms if you are working in Xamarin Studio and you are referencing a portable library for which you need to do the PCL bait and switch trick for  This occurs if the referencing project is out of date with respect to the referenced library  I found that I had updated my common library to a newer framework  updated my packages but hadn t updated my iOS packages to match  Updating the packages solved this error for me

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I too had this issue  however nothing I tried above and in several other posts worked   except for this   For me  I changed the bundle identifier since we have a different bundle ID for distribution versus development     My hardware is allowed on this provision and my team account is valid but it was throwing the above error on some other framework   Turns out that I needed to completely remove the old version of the app completely from my phone   And not just deleting it the standard way   Solution      Make sure the target phone is connected from within xcode menu click  Window Devices  select the target device on the left side menu    On the right will be a list of applications within your device   Find the application that your trying to test and remove it    Evidently on installing the same app under the same team under a different bundle ID  if your not starting completely from scratch  there are some references to frameworks that get muddied   Hope this helps someone

User · Answer

you probably don t have the correct arch in that lib  you can do a   file  private var mobile Containers Bundle Application 3FC2DC5C-A908-42C4-8508-1320E01E0D5B testapp app Frameworks libswiftCore dylib  and it should show you the arch s that are in that library    I am not sure how you are linking  but it probably isn t the right way  if libswiftcore is a factory library  if it is some add on library then it probably isn t compiled correctly

User · Answer

In my case  after I delete all certification created  by Xcode and downloaded  Let xcode 8 1 manage certification of app  It works well    Hope this can help someone

User · Answer

If you accidentally reset your keychain  this can occur due to missing Apple certificates in the keychain  I followed the answer on this to solve my problem      I had the same issue and was able to fix by re-downloading the WWDR    Apple Worldwide Developer Relations Certification Authority     Download from here  http   developer apple com certificationauthority AppleWWDRCA cer

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