title: Could not connect to MongoDb : openidconnect strategy requires an issuer option
body: <p>im a fresher Nodejs developer,and i have some problems for which i really want to ask you all.
  Im trying to setup a MEANJS project base on  : <a href="https://github.com/meanjs/mean" rel="nofollow noreferrer">meanjs</a>, but there is some error occured unexpectedly on my process.
  I was success to config this project on my PC (using window 10) yet,but when i try to config it on my laptop using Ubuntu 20.04 LTS,it start messed up.
  For additional information on my system : Ubuntu 20.04 LTS , Nodejs 14x,npm 6x,Mongodb 4.4
  Thanks all for help :D
  Error :</p>
  <pre><code>Could not connect to MongoDB!
  TypeError: OpenIDConnectStrategy requires an issuer option
      at Strategy (/home/thangzjm_99/Code/WebUngLuong/node_modules/passport-openidconnect/lib/strategy.js:31:32)
      at new Strategy (/home/thangzjm_99/Code/WebUngLuong/node_modules/passport-paypal-openidconnect/lib/passport-paypal-openidconnect/strategy.js:60:25)
      at module.exports (/home/thangzjm_99/Code/WebUngLuong/modules/users/server/config/strategies/paypal.js:11:16)
      at /home/thangzjm_99/Code/WebUngLuong/modules/users/server/config/users.server.config.js:31:36
      at Array.forEach (&lt;anonymous&gt;)
      at module.exports (/home/thangzjm_99/Code/WebUngLuong/modules/users/server/config/users.server.config.js:30:78)
      at /home/thangzjm_99/Code/WebUngLuong/config/lib/express.js:135:38
      at Array.forEach (&lt;anonymous&gt;)
      at Object.module.exports.initModulesConfiguration (/home/thangzjm_99/Code/WebUngLuong/config/lib/express.js:134:31)
      at Object.module.exports.init (/home/thangzjm_99/Code/WebUngLuong/config/lib/express.js:246:8)
      at /home/thangzjm_99/Code/WebUngLuong/config/lib/app.js:25:23
      at /home/thangzjm_99/Code/WebUngLuong/config/lib/mongoose.js:35:21
      at processTicksAndRejections (internal/process/task_queues.js:95:5)
  </code></pre>
  <p>I really want to make my project run :D</p>