Can't run any Ionic application after upgrading Mac to 10.12

[JRC2307]

J@Javiers-MacBook-Air  ~/Desktop/ITESM_ISC/Semestre7/LDAW : AMSS/Progra  node -v
v6.7.0

J@Javiers-MacBook-Air  ~/Desktop/ITESM_ISC/Semestre7/LDAW : AMSS/Progra  npm -v
3.10.7

Sorry, the forum doesn’t let me answer any quicker. I’ve made a lot o projects but every single one has the same mistake.

I started another forum question because this wasn’t well written:

Please Help! Can't run any ionic program because of npm error

A team and I are build an app ass a school project and everything was going fine until we migrated to the 2.1.0 version. Everything is up to date. I believe this problem might be related to the Mac OS Sierra upgrade but I can’t seem to find anybody else with this problem or a solution. I’m quite desperate because I can’t program without testing. J@Javiers-MacBook-Air  ~/Desktop/ITESM_ISC/Semestre7/LDAW : AMSS/Progra  node -v v6.7.0 J@Javiers-MacBook-Air  ~/Desktop/ITESM_ISC/Semestre7/LDAW …