I just reset the settings of my IPhone simulator (By hitting 'Reset Content and Settings) and now I'm getting an issue I never had before. Here it is:
I insist on the fact that the project perfectly worked before this reset, but I needed to clear the local sorage of the app. I did see some posts when poeple changed the location of the
I fixed this by launching this command:
./node_modules/react-native/packager/packager.sh start --resetCache
Found it there https://github.com/facebook/react-native/issues/5747 (Kureev's answer).
Hope it helps someone someday