Question: class twtrscribeservice is implemented in both?
Answer: objc[27031]: Class TWTRScribeService is implemented in both ~/Library/Developer/Xcode/DerivedData/TweetSave-cydxfgkrgtggufefrpvocnxaxelr/Build/Products/Debug-iphonesimulator/SaveKit. ... It repeats many times for a lot of the classes in the TwitterKit framework.