Errors on login in

[kille250]

After giving out my creditals the client try to log me in, but the console give some errors.

file:///C:/Users/Dionisios/Desktop/koel-app-master/build/app.html/img/covers/unknown-album.png Failed to load resource: net::ERR_FILE_NOT_FOUND vue.common.js:10233 Download the Vue Devtools for a better development experience: https://github.com/vuejs/vue-devtools artist.js:141 Uncaught (in promise) TypeError: Cannot read property 'every' of undefined at Object.getImage (file:///C:/Users/Dionisios/Desktop/koel-app-master/build/app.js:42158:23) at Object.setupArtist (file:///C:/Users/Dionisios/Desktop/koel-app-master/build/app.js:42054:15) at file:///C:/Users/Dionisios/Desktop/koel-app-master/build/app.js:42047:20 at arrayEach (file:///C:/Users/Dionisios/Desktop/koel-app-master/build/app.js:23032:12) at forEach (file:///C:/Users/Dionisios/Desktop/koel-app-master/build/app.js:31854:15) at Object.init (file:///C:/Users/Dionisios/Desktop/koel-app-master/build/app.js:42046:27) at file:///C:/Users/Dionisios/Desktop/koel-app-master/build/app.js:41876:34 getImage @ artist.js:141 setupArtist @ artist.js:41 (anonymous function) @ artist.js:34 arrayEach @ lodash.js:537 forEach @ lodash.js:9359 init @ artist.js:33 (anonymous function) @ shared.js:50