1484579298236	addons.webextension.<unknown>	ERROR	Loading extension 'null': Reading manifest: Error processing theme: Unexpected properties: colors, images, properties  Log.jsm:748
Error: Extension is invalid
Stack trace:
loadManifestFromWebManifest<@resource://gre/modules/addons/XPIProvider.jsm:943:11
TaskImpl_run@resource://gre/modules/Task.jsm:319:42
process@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:917:23
walkerLoop@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:801:7
Promise*scheduleWalkerLoop@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:734:11
schedulePromise@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:765:7
completePromise@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:702:7
TaskImpl_run@resource://gre/modules/Task.jsm:324:15
promise callback*TaskImpl_handleResultValue@resource://gre/modules/Task.jsm:396:7
TaskImpl_run@resource://gre/modules/Task.jsm:327:15
process@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:917:23
walkerLoop@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:801:7
Promise*scheduleWalkerLoop@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:734:11
schedulePromise@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:765:7
completePromise@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:702:7
get _worker/worker.onmessage@resource://gre/modules/PromiseWorker.jsm:235:9
EventHandlerNonNull*get _worker@resource://gre/modules/PromiseWorker.jsm:217:5
postMessage@resource://gre/modules/PromiseWorker.jsm:291:9
TaskImpl_run@resource://gre/modules/Task.jsm:319:42
process@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:917:23
walkerLoop@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:801:7
Promise*scheduleWalkerLoop@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:734:11
schedulePromise@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:765:7
completePromise@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:702:7
onError@resource://gre/modules/osfile/osfile_native.jsm:66:7                  controls.js:6