Glossy ReferenceError: formattedDate is not defined

[Mihailoff]

My app is in strict mode. winston-papertrail@1.0.5

ReferenceError: formattedDate is not defined
web_1       |     at generateDate (/usr/src/app/node_modules/glossy/lib/glossy/produce.js:376:19)
web_1       |     at GlossyProducer.produce (/usr/src/app/node_modules/glossy/lib/glossy/produce.js:171:22)
web_1       |     at Papertrail.sendMessage (/usr/src/app/node_modules/winston-papertrail/lib/winston-papertrail.js:390:30)
web_1       |     at Papertrail.log (/usr/src/app/node_modules/winston-papertrail/lib/winston-papertrail.js:347:10)
web_1       |     at transportLog (/usr/src/app/node_modules/winston/lib/winston/logger.js:228:15)
web_1       |     at /usr/src/app/node_modules/winston/node_modules/async/lib/async.js:157:13
web_1       |     at _each (/usr/src/app/node_modules/winston/node_modules/async/lib/async.js:57:9)
web_1       |     at Object.async.each (/usr/src/app/node_modules/winston/node_modules/async/lib/async.js:156:9)
web_1       |     at Logger.log (/usr/src/app/node_modules/winston/lib/winston/logger.js:240:9)
web_1       |     at target.(anonymous function) [as info] (/usr/src/app/node_modules/winston/lib/winston/common.js:54:18)
web_1       |     at Log.self.(anonymous function) [as info] (/usr/src/app/node_modules/express-winston-middleware/index.js:305:31)
web_1       |     at ServerResponse.res.end (/usr/src/app/node_modules/express-winston-middleware/index.js:132:31)
web_1       |     at writeend (/usr/src/app/node_modules/express-session/index.js:266:14)
web_1       |     at ontouch (/usr/src/app/node_modules/express-session/index.js:348:11)
web_1       |     at tryCatcher (/usr/src/app/node_modules/connect-mongo/node_modules/bluebird/js/release/util.js:16:23)
web_1       |     at Promise.successAdapter [as _fulfillmentHandler0] (/usr/src/app/node_modules/connect-mongo/node_modules/bluebird/js/release/nodeify.js:22:30)
web_1       |     at Promise._settlePromise (/usr/src/app/node_modules/connect-mongo/node_modules/bluebird/js/release/promise.js:566:21)
web_1       |     at Promise._settlePromise0 (/usr/src/app/node_modules/connect-mongo/node_modules/bluebird/js/release/promise.js:614:10)
web_1       |     at Promise._settlePromises (/usr/src/app/node_modules/connect-mongo/node_modules/bluebird/js/release/promise.js:693:18)
web_1       |     at Promise._fulfill (/usr/src/app/node_modules/connect-mongo/node_modules/bluebird/js/release/promise.js:638:18)
web_1       |     at Promise._resolveCallback (/usr/src/app/node_modules/connect-mongo/node_modules/bluebird/js/release/promise.js:432:57)
web_1       |     at Promise._settlePromiseFromHandler (/usr/src/app/node_modules/connect-mongo/node_modules/bluebird/js/release/promise.js:524:17)
web_1       |     at Promise._settlePromise (/usr/src/app/node_modules/connect-mongo/node_modules/bluebird/js/release/promise.js:569:18)
web_1       |     at Promise._settlePromise0 (/usr/src/app/node_modules/connect-mongo/node_modules/bluebird/js/release/promise.js:614:10)
web_1       |     at Promise._settlePromises (/usr/src/app/node_modules/connect-mongo/node_modules/bluebird/js/release/promise.js:693:18)
web_1       |     at Promise._fulfill (/usr/src/app/node_modules/connect-mongo/node_modules/bluebird/js/release/promise.js:638:18)
web_1       |     at /usr/src/app/node_modules/connect-mongo/node_modules/bluebird/js/release/nodeback.js:45:21
web_1       |     at handleCallback (/usr/src/app/node_modules/mongodb/lib/utils.js:120:56)

Most likely it has been fixed already squeeks/glossy@734b9c8 and you need to update dependency.