Error after updating meteor

Hello, I just updated Meteor to And since then, I have this message at the launch of the application:

Errors prevented startup:
While processing files with ecmascript (for target web.browser):
/home/pierre/.meteor/packages/ecmascript/. did not recognize object of type "NumericLiteralTypeAnnotation"

I do not understand what is going on. Can someone help me. thank you