title: How to resolve INKApi error
body: <p>We have developing the WEB product. Our one of the customer has facing <code>"INKApi error(500)"</code>error. This is something different. I have search on google. No one can solve this error. </p>
  
  <ol>
  <li>What is the INKApi?</li>
  <li>When this error will thrown?</li>
  <li>Who will throw this error (Apache or JVM or ..?)</li>
  </ol>
  
  <p>If anyone known how to solve this issue, kindly let us know.</p>