Node JS Error Message w. Mongo & Mongoose

/Users/sam/Documents/code/node/evedbconverter/node_modules/mongoose/node_modules/mongodb/lib/mongodb/connection/server.js:529
        throw err;
              ^
TypeError: Cannot read property 'options' of undefined
    at Mongoose.Document (/Users/sam/Documents/code/node/evedbconverter/node_modules/mongoose/lib/document.js:50:33)
    at Mongoose.Model (/Users/sam/Documents/code/node/evedbconverter/node_modules/mongoose/lib/model.js:38:12)
    at NativeConnection.Converter.convert (/Users/sam/Documents/code/node/evedbconverter/converter.js:74:27)
    at NativeConnection.EventEmitter.emit (events.js:93:17)
    at open (/Users/sam/Documents/code/node/evedbconverter/node_modules/mongoose/lib/connection.js:441:10)
    at NativeConnection.Connection.onOpen (/Users/sam/Documents/code/node/evedbconverter/node_modules/mongoose/lib/connection.js:449:5)
    at Connection._open (/Users/sam/Documents/code/node/evedbconverter/node_modules/mongoose/lib/connection.js:409:10)
    at NativeConnection.doOpen (/Users/sam/Documents/code/node/evedbconverter/node_modules/mongoose/lib/drivers/node-mongodb-native/connection.js:49:5)
    at Db.open (/Users/sam/Documents/code/node/evedbconverter/node_modules/mongoose/node_modules/mongodb/lib/mongodb/db.js:236:14)
    at Server.connect.connectCallback (/Users/sam/Documents/code/node/evedbconverter/node_modules/mongoose/node_modules/mongodb/lib/mongodb/connection/server.js:338:7)