Error while installing FormBuilder dependencies

[thiagowig]

I'm getting the following error when i type "npm install" in the FormBuilder root directory:

20866 error peerinvalid The package karma does not satisfy its siblings' peerDependencies requirements!
20866 error peerinvalid Peer grunt-karma@0.6.2 wants karma@~0.10.0
20866 error peerinvalid Peer karma-mocha@0.1.4 wants karma@>=0.12.8
20866 error peerinvalid Peer karma-safari-launcher@0.1.1 wants karma@>=0.9
20866 error peerinvalid Peer karma-chrome-launcher@0.1.4 wants karma@>=0.9.3
20866 error peerinvalid Peer karma-firefox-launcher@0.1.3 wants karma@>=0.9
20866 error peerinvalid Peer karma-phantomjs-launcher@0.1.4 wants karma@>=0.9
20866 error peerinvalid Peer karma-coffee-preprocessor@0.1.3 wants karma@>=0.9
20866 error peerinvalid Peer karma-jasmine@0.1.5 wants karma@>=0.9
20866 error peerinvalid Peer karma-requirejs@0.2.2 wants karma@>=0.9
20866 error peerinvalid Peer karma-script-launcher@0.1.0 wants karma@>=0.9
20866 error peerinvalid Peer karma-html2js-preprocessor@0.1.0 wants karma@>=0.9
20867 error System Windows_NT 6.1.7601

Could anyone help me?

[heydemo]

Had the same problem - was able to fix by deleting the node_modules directory, updating json as below, and re-running npm install

heydemo@e9029ed