title: Notice: Undefined offset: 2 in vendor\magento\framework\Encryption\Encryptor.php
body: <p>After login with correct credential, I cannot login into admin panel. Here is the error message I am getting:</p>
  
  <pre><code>1 exception(s):
  Exception #0 (Exception): Notice: Undefined offset: 2 in D:\Xampp\htdocs\demo\webses\projname\vendor\magento\framework\Encryption\Encryptor.php on line 588
  </code></pre>