title: Unable to run basic ionic template : Error: Cannot find module 'fast-deep-equal'
body: <p>I'm new to ionic and I install the basic blank template as below.</p>
  
  <p>First installed ionic and Cordova using the command</p>
  
  <pre><code>npm install -g ionic Cordova.
  </code></pre>
  
  <p>once done created my own first ionic using command</p>
  
  <pre><code>ionic start myApp1 blank
  </code></pre>
  
  <p>next cd into the myApp1 directory and tried to run the application using the command .</p>
  
  <pre><code>ionic serve 
  </code></pre>
  
  <p>but I get below error</p>
  
  <pre><code>ionic serve
  Error: Cannot find module 'fast-deep-equal'
  at Function.Module._resolveFilename (module.js:513:15)
  at Function.Module._load (module.js:463:25)
  at Module.require (module.js:556:17)
  at require (internal/module.js:11:18)
  at Object.&lt;anonymous&gt; 
  (D:\Proj\myApp1\node_modules\ajv\lib\compile\resolve.js:4:13)
  at Module._compile (module.js:612:30)
  at Object.Module._extensions..js (module.js:623:10)
  at Module.load (module.js:531:32)
  at tryModuleLoad (module.js:494:12)
  at Function.Module._load (module.js:486:3)
  </code></pre>
  
  <p>I tried to remove the <strong>node_modules</strong> folder, delete the <strong>package-lock.json</strong>  and install again using the command <strong>npm install</strong> but still same issue.</p>
  
  <p>Ionic version is 3.19.1 and node version is 5.4.2</p>
  
  <p>Please help me to resolve issue.</p>