Cannot read property 'on' of null about dat-doctor HOT 1 CLOSED

Welcome to Dat Doctor!

Software Info:
  darwin x64
  Node v11.2.0
  Dat Doctor v2.1.0
  dat v13.11.4

Running Basic Tests (Checks your Dat installation and network setup)

✔ Your address is: 24.21.76.118:48698
✖ Error loading native modules
  Unable to load utp-native.
  This will make it harder to connect peer-to-peer.
✔ Resolved Dat Doctor Server
⠼ Looking for Doctor on the Dat network.../usr/local/lib/node_modules/dat/node_modules/discovery-swarm/index.js:456
    server.on('error', onerror)
           ^

TypeError: Cannot read property 'on' of null
    at Swarm.listen (/usr/local/lib/node_modules/dat/node_modules/discovery-swarm/index.js:456:12)
    at runPublicPeerTest (/usr/local/lib/node_modules/dat/node_modules/dat-doctor/lib/public-test.js:32:6)
    at publicPeerTask (/usr/local/lib/node_modules/dat/node_modules/dat-doctor/lib/tasks-default.js:92:5)
    at Task.task (/usr/local/lib/node_modules/dat/node_modules/dat-doctor/lib/tasks-default.js:47:9)
    at /usr/local/lib/node_modules/dat/node_modules/neat-tasks/index.js:135:28
    at Task.skip (/usr/local/lib/node_modules/dat/node_modules/dat-doctor/lib/tasks-default.js:50:35)
    at Task.run (/usr/local/lib/node_modules/dat/node_modules/neat-tasks/index.js:134:8)
    at runTask (/usr/local/lib/node_modules/dat/node_modules/neat-tasks/index.js:55:18)
    at taskDone (/usr/local/lib/node_modules/dat/node_modules/neat-tasks/index.js:66:9)
    at done (/usr/local/lib/node_modules/dat/node_modules/neat-tasks/index.js:153:5)