i was using meteor on a project, and after some time my app stopped working, i got this errors on browser console:
TypeError: Package["babel-runtime"] is undefined[Learn More] base64.js:18:5
<anonymous>
http://localhost:3000/packages/base64.js:18:5
<anonymous>
http://localhost:3000/packages/base64.js:11:2
[Show/hide message details.] TypeError: Package.base64 is undefined[Learn More] ejson.js:17:5
[Show/hide message details.] TypeError: Package.ejson is undefined[Learn More] diff-sequence.js:17:5
[Show/hide message details.] TypeError: Package.ejson is undefined[Learn More] id-map.js:17:5
[Show/hide message details.] TypeError: Package["babel-runtime"] is undefined[Learn More] random.js:18:5
[Show/hide message details.] TypeError: Package.ejson is undefined[Learn More] mongo-id.js:17:5
[Show/hide message details.] TypeError: Package["babel-runtime"] is undefined[Learn More] ordered-dict.js:18:5
[Show/hide message details.] TypeError: Package["babel-runtime"] is undefined[Learn More] tracker.js:18:5
[Show/hide message details.] TypeError: Package["diff-sequence"] is undefined[Learn More] minimongo.js:17:5
[Show/hide message details.] TypeError: Package.ejson is undefined[Learn More] check.js:17:5
[Show/hide message details.] TypeError: Package.random is undefined[Learn More] retry.js:17:5
[Show/hide message details.] TypeError: Package["babel-runtime"] is undefined[Learn More] callback-hook.js:18:5
[Show/hide message details.] TypeError: Package.check is undefined[Learn More] ddp-common.js:17:5
[Show/hide message details.] TypeError: Package["babel-runtime"] is undefined[Learn More] reload.js:18:5
[Show/hide message details.] TypeError: Package.retry is undefined[Learn More] socket-stream-client.js:17:5
[Show/hide message details.] TypeError: Package.check is undefined[Learn More] ddp-client.js:17:5
[Show/hide message details.] TypeError: Package["ddp-client"] is undefined[Learn More] ddp.js:14:5
[Show/hide message details.] TypeError: Package.minimongo is undefined[Learn More] allow-deny.js:17:5
[Show/hide message details.] TypeError: Package["allow-deny"] is undefined[Learn More] mongo.js:17:5
[Show/hide message details.] TypeError: Package.tracker is undefined[Learn More] reactive-var.js:17:5
[Show/hide message details.] TypeError: Package["babel-runtime"] is undefined[Learn More] webapp.js:18:5
[Show/hide message details.] TypeError: Package["ddp-client"] is undefined[Learn More] livedata.js:14:5
[Show/hide message details.] TypeError: Package.tracker is undefined[Learn More] observe-sequence.js:17:5
[Show/hide message details.] TypeError: Package.tracker is undefined[Learn More] deps.js:14:5
[Show/hide message details.] TypeError: Package.tracker is undefined[Learn More] htmljs.js:17:5
[Show/hide message details.] TypeError: Package.tracker is undefined[Learn More] blaze.js:19:5
[Show/hide message details.] TypeError: Package["observe-sequence"] is undefined[Learn More] spacebars.js:17:5
[Show/hide message details.] TypeError: Package.blaze is undefined[Learn More] templating-runtime.js:18:5
[Show/hide message details.] TypeError: Package["templating-runtime"] is undefined[Learn More] templating.js:14:5
[Show/hide message details.] TypeError: Package.blaze is undefined[Learn More] ui.js:14:5
[Show/hide message details.] TypeError: Package.tracker is undefined[Learn More] autoupdate.js:17:5
[Show/hide message details.] TypeError: Package.mongo is undefined[Learn More] global-imports.js:3:1
[Show/hide message details.] ReferenceError: meteorInstall is not defined[Learn More] app.js:1:5