php - "Invalid ns" when connecting to mongodb server -


I'm trying to connect to a Mongolabs Mongodb server I'm working on a small project for setup I can connect properly when connecting to my local machine, but when I try to make a connection to my mediation server, I get an 'invalid ns' error: 

  Mongodebi Unable to connect to: Failed to connect: dsXX XXXX.mongolab.com:27769: send_package: query returned failure: invalid ns [XXXXXX_dev / XXXXXX_dev. $ Cmd] (Code: 16256)   
 Any suggestions on how well it is, it will be a great help to you.   
 
 
 Perhaps your database name or your name in the connection name ()  
 You should make sure that your connection string is OK.  
 For example, I look like this  
  mongodb: // mydblogin: mydbpassword@ds044444.mongolab.com: 44444 / mydatabase   
 Also make sure the name of the collection is legal.

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