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Some packages that depend on https://www.npmjs.com/package/fibers fail to install with error message above. Particularly it is iron-meteor.

Homepage of the fibers states:

meteor users please read this

If you're trying to get meteor running and you ended up at this page you're probably doing something wrong. Please uninstall all versions of NodeJS and Meteor, then start over. See meteor#5124 for more information."

But it does not seem to be very helpful.

One guy recommends to downgrade node.js here https://github.com/NativeScript/NativeScript/issues/2991

It helps indeed, but it is kind of hack, right?

Node version affected: v7.2.0

Node v6.9.2 works well.

Community
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Vladimir Goldobin
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1 Answers1

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WeakCallbackData was removed from the V8 API earlier this year. Since this change has landed in Node 7, packages that rely on v8::WeakCallbackData don't work anymore. You need to downgrade Node or wait until Meteor supports Node 7, i.e., uses a newer node-fibers version.

user835611
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