"No such file or directory" error while deploying project on device

[limoncello]

Showing Recent Issues
CpResource ios /Users/limoncello/Library/Developer/Xcode/DerivedData/projectX-gqasesfugdbcefeizfdgumtmcteh/Build/Products/Release-iphoneos/projectX.app/ios
    cd /Users/limoncello/github/projectX/projectX/ios
    export PATH="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin"
    builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -strip-debug-symbols -strip-tool /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/strip -resolve-src-symlinks /Users/limoncello/github/projectX/projectX/ios/ios /Users/limoncello/Library/Developer/Xcode/DerivedData/projectX-gqasesfugdbcefeizfdgumtmcteh/Build/Products/Release-iphoneos/projectX.app

error: /Users/limoncello/github/projectX/projectX/ios/ios: No such file or directory

I don't know if it's related but:

>react-native link
Scanning 586 folders for symlinks in /Users/limoncello/github/projectX/projectX/node_modules (4ms)
rnpm-install info Android module react-native-fbsdk is already linked 
rnpm-install info Linking react-native-fbsdk ios dependency 
rnpm-install ERR! Something went wrong while linking. Error: Expected "/*", "//", or "{" but "<" found. 
Please file an issue here: https://github.com/facebook/react-native/issues 

Expected "/*", "//", or "{" but "<" found.

and:

> react-native run-ios
Scanning 586 folders for symlinks in /Users/limoncello/github/projectX/projectX/node_modules (4ms)
Found Xcode project projectX.xcodeproj
xcrun: error: missing DEVELOPER_DIR path: /Users/limoncello/Downloads/Xcode-beta.app/Contents/Developer

Command failed: xcrun instruments -s
xcrun: error: missing DEVELOPER_DIR path: /Users/limoncello/Downloads/Xcode-beta.app/Contents/Developer

Additional Information

react-native --version
react-native-cli: 2.0.1
react-native: 0.45.1

Xcode: Version 8.3.3 (8E3004b)

[hramos]

Please refer to https://github.com/facebook/react-native/blob/master/.github/ISSUE_TEMPLATE.md