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

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)