Collection2-core breaking meteor build

I created a blank meteor project and added the package aldeed:collection2-core.

When trying to build, I get the errors:

W20161221-17:24:54.568(-8)? (STDERR) WARNING: npm peer requirements (for aldeed:meteor-collection2-core) not installed:
W20161221-17:24:54.646(-8)? (STDERR)  - simpl-schema@0.x.x not installed.
W20161221-17:24:54.647(-8)? (STDERR) 
W20161221-17:24:54.648(-8)? (STDERR) Read more about installing npm peer dependencies:
W20161221-17:24:54.649(-8)? (STDERR)   http://guide.meteor.com/using-packages.html#peer-npm-dependencies
W20161221-17:24:54.649(-8)? (STDERR) 
W20161221-17:24:54.659(-8)? (STDERR) /home/threebacon/.meteor/packages/meteor-tool/.1.4.2_3.17tso1e++os.linux.x86_64+web.browser+web.cordova/mt-os.linux.x86_64/dev_bundle/server-lib/node_modules/fibers/future.js:280
W20161221-17:24:54.660(-8)? (STDERR)                                            throw(ex);
W20161221-17:24:54.660(-8)? (STDERR)                                            ^
W20161221-17:24:54.661(-8)? (STDERR) 
W20161221-17:24:54.662(-8)? (STDERR) Error: Can't find npm module 'simpl-schema'. Did you forget to call 'Npm.depends' in package.js within the 'modules-runtime' package?
W20161221-17:24:54.663(-8)? (STDERR)     at Object.require (/home/threebacon/Desktop/babel/.meteor/local/build/programs/server/boot.js:200:17)
W20161221-17:24:54.664(-8)? (STDERR)     at options.fallback (packages/modules-runtime.js:445:18)
W20161221-17:24:54.665(-8)? (STDERR)     at require (packages/modules-runtime.js:112:16)
W20161221-17:24:54.665(-8)? (STDERR)     at meteorInstall.node_modules.meteor.aldeed:collection2-core.collection2.js (packages/aldeed:collection2-core/collection2.js:9:22)
W20161221-17:24:54.666(-8)? (STDERR)     at fileEvaluate (packages/modules-runtime.js:181:9)
W20161221-17:24:54.668(-8)? (STDERR)     at require (packages/modules-runtime.js:106:16)
W20161221-17:24:54.668(-8)? (STDERR)     at /home/threebacon/Desktop/babel/.meteor/local/build/programs/server/packages/aldeed_collection2-core.js:720:15
W20161221-17:24:54.669(-8)? (STDERR)     at /home/threebacon/Desktop/babel/.meteor/local/build/programs/server/packages/aldeed_collection2-core.js:731:3
W20161221-17:24:54.669(-8)? (STDERR)     at /home/threebacon/Desktop/babel/.meteor/local/build/programs/server/boot.js:295:34
W20161221-17:24:54.669(-8)? (STDERR)     at Array.forEach (native)

So, I installed simpl-schema with npm, but then I got these errors:

W20161221-17:28:36.248(-8)? (STDERR) /home/threebacon/.meteor/packages/meteor-tool/.1.4.2_3.17tso1e++os.linux.x86_64+web.browser+web.cordova/mt-os.linux.x86_64/dev_bundle/server-lib/node_modules/fibers/future.js:280
W20161221-17:28:36.337(-8)? (STDERR)                                            throw(ex);
W20161221-17:28:36.338(-8)? (STDERR)                                            ^
W20161221-17:28:36.339(-8)? (STDERR) 
W20161221-17:28:36.340(-8)? (STDERR) Error: Can't find npm module 'babel-polyfill'. Did you forget to call 'Npm.depends' in package.js within the 'modules-runtime' package?
W20161221-17:28:36.340(-8)? (STDERR)     at Object.require (/home/threebacon/Desktop/babel/.meteor/local/build/programs/server/boot.js:200:17)
W20161221-17:28:36.340(-8)? (STDERR)     at options.fallback (packages/modules-runtime.js:445:18)
W20161221-17:28:36.344(-8)? (STDERR)     at require (packages/modules-runtime.js:112:16)
W20161221-17:28:36.345(-8)? (STDERR)     at meteorInstall.node_modules.simpl-schema.dist.main.js (packages/modules.js:417:1)
W20161221-17:28:36.346(-8)? (STDERR)     at fileEvaluate (packages/modules-runtime.js:181:9)
W20161221-17:28:36.347(-8)? (STDERR)     at require (packages/modules-runtime.js:106:16)
W20161221-17:28:36.347(-8)? (STDERR)     at meteorInstall.node_modules.meteor.aldeed:collection2-core.collection2.js (packages/aldeed:collection2-core/collection2.js:9:22)
W20161221-17:28:36.348(-8)? (STDERR)     at fileEvaluate (packages/modules-runtime.js:181:9)
W20161221-17:28:36.348(-8)? (STDERR)     at require (packages/modules-runtime.js:106:16)
W20161221-17:28:36.349(-8)? (STDERR)     at /home/threebacon/Desktop/babel/.meteor/local/build/programs/server/packages/aldeed_collection2-core.js:720:15

So, I installed babel-polyfill with npm, but I got these errors:

W20161221-17:30:49.353(-8)? (STDERR) /home/threebacon/.meteor/packages/meteor-tool/.1.4.2_3.17tso1e++os.linux.x86_64+web.browser+web.cordova/mt-os.linux.x86_64/dev_bundle/server-lib/node_modules/fibers/future.js:280
W20161221-17:30:49.354(-8)? (STDERR)                                            throw(ex);
W20161221-17:30:49.357(-8)? (STDERR)                                            ^
W20161221-17:30:49.358(-8)? (STDERR) 
W20161221-17:30:49.359(-8)? (STDERR) Error: Cannot find module './SimpleSchema'
W20161221-17:30:49.359(-8)? (STDERR)     at require (packages/modules-runtime.js:109:19)
W20161221-17:30:49.360(-8)? (STDERR)     at meteorInstall.node_modules.simpl-schema.dist.main.js (packages/modules.js:419:21)
W20161221-17:30:49.360(-8)? (STDERR)     at fileEvaluate (packages/modules-runtime.js:181:9)
W20161221-17:30:49.360(-8)? (STDERR)     at require (packages/modules-runtime.js:106:16)
W20161221-17:30:49.361(-8)? (STDERR)     at meteorInstall.node_modules.meteor.aldeed:collection2-core.collection2.js (packages/aldeed:collection2-core/collection2.js:9:22)
W20161221-17:30:49.361(-8)? (STDERR)     at fileEvaluate (packages/modules-runtime.js:181:9)
W20161221-17:30:49.361(-8)? (STDERR)     at require (packages/modules-runtime.js:106:16)
W20161221-17:30:49.362(-8)? (STDERR)     at /home/threebacon/Desktop/babel/.meteor/local/build/programs/server/packages/aldeed_collection2-core.js:720:15
W20161221-17:30:49.362(-8)? (STDERR)     at /home/threebacon/Desktop/babel/.meteor/local/build/programs/server/packages/aldeed_collection2-core.js:731:3
W20161221-17:30:49.362(-8)? (STDERR)     at /home/threebacon/Desktop/babel/.meteor/local/build/programs/server/boot.js:295:34

Any ideas? I have also tried to add aldeed:collection2, but the same errors appear.

You have to import SimpleShema where you want to use.
Just add:
import SimpleSchema from ‘simpl-schema’;