Command /Applications/Xcode-beta.app/Contents/Developer/usr/bin/actool failed with exit code 255

Question

It happens in new Xcode7 beta:

CompileAssetCatalog /Users/admin/Library/Developer/Xcode/DerivedData/InstaAd-ddgdnbxlpxipirebpndfmgrxspel/Build/Products/Debug-iph         


        

Answer 1

Sometimes you should uncheck de "alpha" option to export your png images to Xcode. That solve my problem.

Open "Preview" app - File - Export - Uncheck "alpha" option, then replace your old images in Xcode project.