Not showing anything with a gray screen

[beedrill]

The error from the console as follows:
vue-router.esm-bundler.js:3295 TypeError: Cannot read properties of null (reading 'loggedIn')
at index.js:53:70
at vue-router.esm-bundler.js:1930:35
at new Promise ()
at vue-router.esm-bundler.js:1904:18
at vue-router.esm-bundler.js:3412:65

[Ariiima]

same issue