getting errors 

```
like ld: 91 duplicate symbols for architecture armv7
clang: error: linker command failed with exit code 1 (use -v to see invocation)

```

while i m trying to build project , it's build successfully in iphone 6 and i phone 5s but when i m trying to build in other simulator like iphone 4s then it's showing errors .

i have just updated my MAC OS and x-code version from 5.1 to 6.1.

I have also checked i have no duplicated file or framwork in my project still getting errors so i m not able to create .app file ..

Please help me if any one having solution for that kind of issues ...might be this one is duplicate Question but i already go through all stack post and others .