Duplicate symbols for architecture x86_64 under Xcode

75 duplicate symbols for architecture x86_64

Solve this error try to following

Solution 1

Means that you have loaded same functions twice. As the issue disappear after removing -ObjC from Other Linker Flags, this means that this option result that functions loads twice.

Solution 2

Remove all files that are load twice. and again add that files. make sure there is no any file for adding twice.