"Parameter 'url' must be a string, not undefined" appearing in my apps error log

Issue

• App is not running but it is consuming CPU according to the resources section
• messages such as "no way to determine mongo connection string" &
  "Warning! Could not get a mongodb connection string. Sync will not work. If running in a Dynofarm/FeedHenry MBaaS, ensure the database is upgraded" are appearing in the apps logs