Failed to run new ios xcode project -

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i have yosemite 10.10.3 installed xcode 6 downloaded mac app store. when try execute 1 single view application project, newly created, without modify anything, following error:

clang: error: linker command failed exit code 1 (use -v see invocation)

have install anything? idea of what's happening?

(xcode newbie)

that mean few things, did make sure make first view "initial view controller"?

is there other error message or there somewhere in code caused error?


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