[vue/valid-template-root]
The template root requires exactly one element.eslint-plugin-vue
I ended up turning off Vetur linting. Vetur thinks that it is a Vue 2 project becuase it is in a VS Code workspace.
https://github.com/vuejs/vetur/issues/2299#issuecomment-696015374
You can solve this by doing
F1>Preferences:Open Settings (JSON)
paste
"vetur.validation.template": false,
"vetur.validation.script": false,
"vetur.validation.style": false,