Unexpected mongo exit code 14. Restarting.

[fritol]

when starting meteor:

=> Started proxy.
=> Started HMR server.
Unexpected mongo exit code 14. Restarting.
Unexpected mongo exit code 14. Restarting.
Unexpected mongo exit code 14. Restarting.
Can't start Mongo server.
Unspecified unrecoverable error. Exit was not clean