iOS Build Error - arm64 not found



I’m working on a project and trying to integrate the iOS framework into a project. I really have no idea what the issue is and I’ve tried everything I can think of to get this building but just am stuck here. Attached is a screen shot of the failures.

Any help would be greatly appreciated!

Thanks, Ryan


Hi Ryan,

The missing symbols are from the iOS “ExternalAccessory” framework. If you add that framework to your project it should resolve those errors.

You will likely also need to add the “com.interaxon.muse” external accessory protocol to the Info.plist file if you haven’t already. Check out step 6 at for more details.

Hope that helps.