Xcode 5.1: missing required architecture arm64

Question

Just upgraded to Xcode 5.1, getting the following error:

ignoring file ...Dependencies/SalesforceNetworkSDK/libSalesforceNetworkSDK.a, missing req

Answer 1

I just changed the Debug from Yes to No,

Build Settings -> Architectures -> Build Active Architecture Only -> Debug -> NO.

This one fixed my error.