关于报错

Undefined symbols for architecture arm64:
  "_OBJC_CLASS_$_FBSession", referenced from: someFile
ld: symbol(s) not found for architecture arm64

 

     

      10
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I also encountered the same problem , the above methods will not work . I accidentally deleted the files in the following directory on it .
      

     

10 down vote

I also encountered the same problem , the above methods will not work . I accidentally deleted the files in the following directory on it .