Error: 500 Internal Server Error

TypeError: Cannot read property 'length' of undefined
at /Users/matt/.node_libraries/geddy-model/lib/adapters/couchdb.js:142:30
at /Users/matt/.node_libraries/geddy-model/lib/adapters/couchdb.js:117:9
at IncomingMessage. (/Users/matt/.node_libraries/geddy-core/lib/clients/couchdb.js:54:9)
at IncomingMessage.emit (events.js:81:20)
at HTTPParser.onMessageComplete (http.js:133:23)
at Client.onData [as ondata] (http.js:1484:27)
at Client._onReadable (net.js:683:27)
at IOWatcher.onReadable [as callback] (net.js:177:10)