Apple Mach-O Linker Error when compiling for device

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Here is permanent solution.Generally overwriting project may cause this prolems.Try this method.

-UPDATE – Clang error – Mach-O Linker error

In some case error log window displaying .xctest error, to fix it

-> Select your project

-> Beside this(just before General tab) select your projectTest file from dropdown

-> There is one option (like ProjNameTests)

-> In Host Application, select your project from dropdown only if it show custom

DONE!

enter image description here

Old method deleted

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