Mongo Error

MongoDB Error:  { Error: connect EINVAL 0.0.0.123:27017 - Local (0.0.0.0:0)
at Object._errnoException (util.js:992:11)
at _exceptionWithHostPort (util.js:1014:20)
at internalConnect (net.js:960:16)
at defaultTriggerAsyncIdScope (internal/async_hooks.js:284:19)
at GetAddrInfoReqWrap.emitLookup [as callback] (net.js:1106:9)
at GetAddrInfoReqWrap.onlookup [as oncomplete] (dns.js:97:10)
name: 'MongoError',
message: 'connect EINVAL 0.0.0.123:27017 - Local (0.0.0.0:0)' }