title: When CI project is transferred from wamp server to xampp server Uncaught error occurs in core/common.php(line 257)
body: <p><a href="https://i.stack.imgur.com/ThlrO.png" rel="nofollow">When I run CI project this error occurs,Can anyone help me.</a></p>
  
  <p><a href="https://i.stack.imgur.com/TlV9V.png" rel="nofollow">enter image description here</a></p>