Doesn't work with Sequelize

[wzup]

App works like a charm with nodemon.
When I try to run my app with devtool, devtool displays an error in Chrome Devtool console.

devtool bin/www --watch

[ERROR! bin/www] MySQL Connection ERROR:  TypeError: Illegal invocation
    at Sequelize.log (C:\Users\user\app\node_modules\sequelize\lib\sequelize.js:1338:21)
    at Query.run (C:\Users\user\app\node_modules\sequelize\lib\dialects\mysql\query.js:36:20)
    at C:\Users\user\app\node_modules\sequelize\lib\sequelize.js:843:20
    at C:\Users\user\app\node_modules\retry-as-promised\index.js:38:21
    at Promise._execute (C:\Users\user\app\node_modules\bluebird\js\release\debuggability.js:272:9)
    at Promise._resolveFromExecutor (C:\Users\user\app\node_modules\bluebird\js\release\promise.js:475:18)
    at new Promise (C:\Users\user\app\node_modules\bluebird\js\release\promise.js:77:14)
    at retryAsPromised (C:\Users\user\app\node_modules\retry-as-promised\index.js:27:10)
    at .<anonymous> (C:\Users\user\app\node_modules\sequelize\lib\sequelize.js:842:12)
    at tryCatcher (C:\Users\user\app\node_modules\bluebird\js\release\util.js:16:23)
    at Promise._settlePromiseFromHandler (C:\Users\user\app\node_modules\bluebird\js\release\promise.js:504:31)
    at Promise._settlePromise (C:\Users\user\app\node_modules\bluebird\js\release\promise.js:561:18)
    at Promise._settlePromise0 (C:\Users\user\app\node_modules\bluebird\js\release\promise.js:606:10)
    at Promise._settlePromises (C:\Users\user\app\node_modules\bluebird\js\release\promise.js:685:18)
    at Async._drainQueue (C:\Users\user\app\node_modules\bluebird\js\release\async.js:138:16)
    at Async._drainQueues (C:\Users\user\app\node_modules\bluebird\js\release\async.js:148:10)