Help: crack in neck plate?

I just noticed a crack in my Benji Madden MM guitar, its the screw under the M in Music Man, it looks to be all the way threw the plate what should I do get it fixed stop playing the guitar 🙁 or what? Its my favorite guitar ever so I would like to know what to do so I don’t do any or more damage ?!!:confused:

its very hard to take a pic it looks like a thick hair or eyelash