[Vuejs]-This dependency was not found: * core-js/fn/symbol

I had the same issue. Check the ‘store/mutations.js’ file to make sure that you aren’t importing anything extra in your code. When you add the reference to ‘species’ in the script, VSCode automatically adds an import at the top of the file that looks like this import { species } from "core-js/fn/symbol".

Remove that and you should be good to go.