npm WARN ajv-keywords@3.2.0 requires a peer of ajv@^6.0.0 but none is installed. You must install peer dependencies yourself.

npm ERR! path /usr/local/bin/prisma
npm ERR! code EEXIST
npm ERR! Refusing to delete /usr/local/bin/prisma: ../lib/node_modules/prisma-cli/dist/index.js symlink target isnot controlled by npm /usr/local/bin
npm ERR! File exists: /usr/local/bin/prisma
npm ERR! Move it away, and try again.

npm ERR! A complete log of this run can be found in:
npm ERR!     /Users/jonathan/.npm/_logs/2018-05-01T15_40_03_088Z-debug.log