Error at MeshEdit for Grasshopper Mac

Helle, please anyone can help me

I'm working with the grasshopper for mac, with the comand-line explicthistory in Rhino.

but, also i've installed the pluging lunchbox, Weaverbird and kangaroo all of them work perfectly, I just download the pluging meshEdit gha. Then I copied it in the Library folder inside the components of grasshopper. and I can not see the components. it goes this message. 

Please, someone, who knows what to do.