저만 이런 에러 뜨는건지 모르겠는데, 영상 안나와서

해당 영상도 또 안나와서 이상해서 개발자도구 켜보니까

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Failed to load resource: net::ERR_FAILED

인프런 자체 에러가 같은데 원인을 모르겠습니다.