"_id.templateId" : {
    type: String,
    label: "Template ID",
    optional: false
},

"_id.locale": {
    type: String,
    optional: false
},

Exception while polling query {"collectionName":"templateModel","selector":{},"options":{"transform":null}}: Error: Meteor does not currently support objects other than ObjectID as ids
at [object Object].LocalCollection._idStringify (packages/minimongo/minimongo.js:1073:1)
at [object Object]._.extend.has (packages/id-map/id-map.js:31:1)
at [object Object]._.extend._nextObject (packages/mongo/mongo_driver.js:941:1)
at [object Object]._.extend.forEach (packages/mongo/mongo_driver.js:963:1)
at [object Object]._.extend.getRawObjects (packages/mongo/mongo_driver.js:1012:1)
at [object Object]._.extend._pollMongo (packages/mongo/polling_observe_driver.js:147:1)
at Object.task (packages/mongo/polling_observe_driver.js:85:1)
at [object Object]._.extend._run (packages/meteor/fiber_helpers.js:147:1)
at packages/meteor/fiber_helpers.js:125:1