Refuse to start when 'device_options: null' is set. #3107

lib/util/settings.js

@@ -122,6 +122,7 @@ const defaults = {
 const schema = {
     type: 'object',
     properties: {
+        device_options: {type: 'object'},
         homeassistant: {type: 'boolean'},
         permit_join: {type: 'boolean'},
         mqtt: {