Untitled

console.log(updatedLikes) console.log(genre) console.log(updatedLikes[genre]) console.log(updatedLikes.educational) 

Error:
throw new CastError('Number', val, this.path, err, this);
          ^

CastError: Cast to Number failed for value "NaN" (type number) at path "normalized.educational"
    at SchemaNumber.cast (/usr/src/app/node_modules/mongoose/lib/schema/number.js:380:11)