firebase-debug.log

[debug] [2019-12-11T07:01:32.104Z] ----------------------------------------------------------------------
[debug] [2019-12-11T07:01:32.108Z] Command:       C:\Program Files\nodejs\node.exe C:\Users\Terkwaz\AppData\Roaming\npm\node_modules\firebase-tools\lib\bin\firebase.js build
[debug] [2019-12-11T07:01:32.108Z] CLI Version:   7.9.0
[debug] [2019-12-11T07:01:32.108Z] Platform:      win32
[debug] [2019-12-11T07:01:32.108Z] Node Version:  v10.16.3
[debug] [2019-12-11T07:01:32.115Z] Time:          Wed Dec 11 2019 09:01:32 GMT+0200 (Eastern European Standard Time)
[debug] [2019-12-11T07:01:32.115Z] ----------------------------------------------------------------------
[debug] [2019-12-11T07:01:32.115Z] 
[error] Error: [object Object] is not a Firebase command
[debug] [2019-12-11T07:01:32.129Z] TypeError: str.toLowerCase is not a function
    at didYouMean (C:\Users\Terkwaz\AppData\Roaming\npm\node_modules\firebase-tools\node_modules\didyoumean\didYouMean-1.2.1.js:147:48)
    at suggestCommands (C:\Users\Terkwaz\AppData\Roaming\npm\node_modules\firebase-tools\lib\index.js:28:22)
    at Command.<anonymous> (C:\Users\Terkwaz\AppData\Roaming\npm\node_modules\firebase-tools\lib\index.js:57:14)
    at Command.listener (C:\Users\Terkwaz\AppData\Roaming\npm\node_modules\firebase-tools\node_modules\commander\index.js:360:8)
    at Command.emit (events.js:198:13)
    at Command.EventEmitter.emit (domain.js:448:20)
    at Command.parseArgs (C:\Users\Terkwaz\AppData\Roaming\npm\node_modules\firebase-tools\node_modules\commander\index.js:801:12)
    at Command.parse (C:\Users\Terkwaz\AppData\Roaming\npm\node_modules\firebase-tools\node_modules\commander\index.js:563:21)
    at Object.<anonymous> (C:\Users\Terkwaz\AppData\Roaming\npm\node_modules\firebase-tools\lib\bin\firebase.js:98:22)
    at Module._compile (internal/modules/cjs/loader.js:778:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10)
    at Module.load (internal/modules/cjs/loader.js:653:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
    at Function.Module._load (internal/modules/cjs/loader.js:585:3)
    at Function.Module.runMain (internal/modules/cjs/loader.js:831:12)
    at startup (internal/bootstrap/node.js:283:19)
[error] 
[error] Error: An unexpected error has occurred.