'How do I migrate Angular from 10 to 12 in a correct way> [closed]

I am working on Angular project migration. Initial project was Angular 10 -based and now I am migrating it to Angular 12. But the project is not running after migration.



Solution 1:[1]

The issue is with Throbber which is of extension .less and you are trying to use that using CSS-parser that whats error is saying. Npm suggestion says : use postcss-less to parse it. I'm not sure it is being added by you or any third-party npm package.

I would suggest you to use loading icon that can be used using css or convert less code to css using online converter. you can check here.

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Solution Source
Solution 1 Apoorva Chikara