Cannot read property '__cacheForAssetStats' of undefined

[ludalex]

Getting since bad boy since we last spoke @runspired, never been able to make it work except once with a previous version I believe.

On ember-cli@2.7.0

Build failed.
Cannot read property '__cacheForAssetStats' of undefined
TypeError: Cannot read property '__cacheForAssetStats' of undefined
    at CoreObject.module.exports.outputReady (/Users/ldx/Documents/pinpoint-manager/node_modules/ember-cli-asset-sizes-shim/index.js:36:30)
    at /Users/ldx/Documents/pinpoint-manager/node_modules/ember-cli/lib/models/builder.js:206:34
    at Array.map (native)
    at CoreObject.module.exports.Task.extend.processAddonBuildSteps (/Users/ldx/Documents/pinpoint-manager/node_modules/ember-cli/lib/models/builder.js:204:43)
    at lib$rsvp$$internal$$tryCatch (/Users/ldx/Documents/pinpoint-manager/node_modules/ember-cli/node_modules/rsvp/dist/rsvp.js:1036:16)
    at lib$rsvp$$internal$$invokeCallback (/Users/ldx/Documents/pinpoint-manager/node_modules/ember-cli/node_modules/rsvp/dist/rsvp.js:1048:17)
    at lib$rsvp$$internal$$publish (/Users/ldx/Documents/pinpoint-manager/node_modules/ember-cli/node_modules/rsvp/dist/rsvp.js:1019:11)
    at lib$rsvp$asap$$flush (/Users/ldx/Documents/pinpoint-manager/node_modules/ember-cli/node_modules/rsvp/dist/rsvp.js:1198:9)
    at nextTickCallbackWith0Args (node.js:420:9)
    at process._tickDomainCallback (node.js:390:13)