Remove uncatchable error in promise.
Remove uncatchable error in promise.

gabesoft/broccoli,ember-cli/broccoli,broccolijs/broccoli,ember-cli/broccoli,gabesoft/broccoli,gabesoft/broccoli,ixisystems/broccoli,osxi/broccoli,osxi/broccoli,osxi/broccoli,ixisystems/broccoli,ember-cli/broccoli,broccolijs/broccoli,broccolijs/broccoli,broccolijs/broccoli