After upgrade from v2.1.8 to v2.2.2, error is shown when i run Grunt exec

$ grunt exec Loading "Gruntfile.js" tasks...ERROR

Error: Cannot find file. Alias "themes" not set. Use "filesRouter.set" method to set it. at Object.get (/var/www/vhosts/default/dev/tools/grunt/tools/files-router.js:69:19) at Object. (/var/www/vhosts/default/dev/tools/grunt/configs/clean.js:8:47) at Module._compile (module.js:570:32) at Object.Module._extensions..js (module.js:579:10) at Module.load (module.js:487:32) at tryModuleLoad (module.js:446:12) at Function.Module._load (module.js:438:3) at Module.require (module.js:497:17) at require (internal/module.js:20:19) at module.exports (/var/www/vhosts/default/node_modules/load-grunt-config/lib/readfile.js:22:16)