Recommended solutions on Stackoverflow involving cleaning and rebuilding the project don’t work. Ideas?
Screenshot: http://oi64.tinypic.com/20k508k.jpg
Restarting my system completely did the trick. I think the earned reputation of Playgrounds being horrendously buggy in Xcode choked something, as I haven’t run into problems like this across a whole lot of past Xcode projects, but then I didn’t use Playgrounds until working through these examples.
yeah that error message sounds more like Xcode not being able to read a file or something, I’m glad restarting did the trick 