Foundation Mail2 error loading babel

[07:56:44] Failed to load external module babel-register
[07:56:44] Requiring external module babel-core/register
[07:56:51] Using gulpfile ~/sites/zmail2/gulpfile.babel.js
[07:56:51] Starting 'default'...
[07:56:51] Starting 'build'...
[07:56:51] Starting 'clean'...
[07:56:51] Finished 'clean' after 4.05 ms