Linker command failed with exit code 1 - duplicate symbol __TMRbBp

Question

Since I\'ve updated to Xcode 8.1 I can\'t archive and also not run in Release mode (in debug mode its working). The error is that there are several \"duplicate symbols for a

Answer 1

I ran into this problem recently creating a new project and adding some pods (AlamoFire specifically) to the project. Troubled with it a couple hours or so recreating the project (it was new) several times. Tried all the methods here and no luck.

Eventually I figured out that it was because XCode V10.1 was also opening the old project file along with the new pod-created workspace when I opened the workspace via command line "open myProject.xcworkspace" when I reopened the project after doing "pod install"

Closing all projects before exiting XCode before I did my "pod install" fixed everything for me.