Видео с ютуба How To Resolve 'Cannot Read Properties Of Undefined (Reading 'Pathname')' In React Router V6

React Router v6におけるCannot Read Properties of Undefined (Reading 'pathname')エラーの解決方法

React Router: Cannot read property 'pathname' of undefined

How to Resolve Cannot Read Properties of Undefined (Reading 'pathname') in React Router v6?

Solving the TypeError: Cannot read properties of undefined (reading 'location') in React Router