[Vue warn]: Error in beforeCreate hook: "TypeError: this._router.init is not a function"

This error message indicates that there is an issue with the Vue Router initialization in the beforeCreate hook of a component. The error suggests that the _router object does not have an init method, which is causing the TypeError.

To resolve this error, you can check the code for any issues with the Vue Router initialization. Make sure that you have imported the Vue Router correctly and that it is properly installed in your Vue project. Additionally, ensure that you have set up the router instance correctly in your Vue application.

If you are still encountering this error, you may want to consider posting your code or seeking further assistance from the Vue community or a Vue expert to help you resolve the issue.