Youtube Import Plugin Error

Hi there, recently I have not been able to import videos into Omeka with Youtube Import. The message is this: * Error importing video. Error calling GET https://www.googleapis.com/youtube/v3/videos?part=id%2Csnippet%2CcontentDetails%2Cplayer%2Cstatus%2CrecordingDetails&id=QtgeVuetOCY&maxResults=1&key=AIzaSyDI8ApsA7MBIK4M1Ubs9k4-Rk7_KOeYJ5w: (403) The request cannot be completed because you have exceeded your quota.

I used Youtube import a few months ago and it worked fine. I was wondering how to solve this problem in Omeka now?