interface - Can't Open Main.Storyboard -

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the document "main.storyboard" not opened. operation couldn’t completed. (com.apple.interfacebuilder error -1.)

-- that's error keep receiving. after doing research, apparently need switch fonts attributed plain can't access storyboard file how supposed that? or there solution?

thank you

i face same issue when pull code github: occur due duplicate of identifier. of file name again reuse. click on storyboard->open source code remove duplicate identifier. find indentifer name click on error. copy whole error message.

this works me.``


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