Ember Simple Auth ENOENT Error

I am new to ember , now building an application which uses the simple-auth ember combination. But i am getting error while starting the ember app.

Error: ENOENT, no such file or directory '/var/www/test-cli/frontend/tmp/concat_with_maps-input_base_path-http://ift.tt/1KHq5eb'
at Error (native)
at Object.fs.statSync (fs.js:797:18)
at ConcatWithMaps.keyForFile (/var/www/test-cli/frontend/node_modules/ember-cli/node_modules/broccoli-sourcemap-concat/node_modules/broccoli-caching-writer/index.js:91:55)
at Array.map (native)
at ConcatWithMaps.CachingWriter._conditionalBuild (/var/www/test-cli/frontend/node_modules/ember-cli/node_modules/broccoli-sourcemap-concat/node_modules/broccoli-caching-writer/index.js:107:61)
at /var/www/test-cli/frontend/node_modules/ember-cli/node_modules/broccoli-sourcemap-concat/node_modules/broccoli-caching-writer/node_modules/broccoli-plugin/read_compat.js:61:34
at lib$rsvp$$internal$$tryCatch (/var/www/test-cli/frontend/node_modules/ember-cli/node_modules/rsvp/dist/rsvp.js:493:16)
at lib$rsvp$$internal$$invokeCallback (/var/www/test-cli/frontend/node_modules/ember-cli/node_modules/rsvp/dist/rsvp.js:505:17)
at lib$rsvp$$internal$$publish (/var/www/test-cli/frontend/node_modules/ember-cli/node_modules/rsvp/dist/rsvp.js:476:11)
at lib$rsvp$asap$$flush (/var/www/test-cli/frontend/node_modules/ember-cli/node_modules/rsvp/dist/rsvp.js:1198:9)

Saying that some files are missing . Looks like this bug is with the new version of those devise dependancies . Also reported here http://ift.tt/1iYagHh. It would be great if some one could share a solution to fix it. Thanks