Installation Failed: Invalid Argument -iOS Extension

Question

https://imgur.com/vFn0S7g

I am about to build watch app target from existing project. I encountered a strange error upon finishing build that unables me to run the wa

Answer 1

I had the same issue. This helped https://forums.developer.apple.com/thread/7338

Answer 2

I got my error fixed by setting the project's "Product Bundle Identifier". It was empty since my project was being generated by Gyp and I hadn't set that particular setting on the project.

Answer 3

I ran into the same issue and got it resolved by cleaning the phone's memory since it was too low to install the app.

Answer 4

Check your device's storage.

I had this issue and deleting some apps was the only solution for me...

Answer 5

I could fix this problem by switching to a different simulator (iPhone6 instead of iPhone6s) in my case).

Answer 6

I fixed this by first building for an actual device - once I'd done that at least once, the simulator ran fine.