pagination doesn't work

please check that

var_dump($users)

array (size=2)
'result' =>
array (size=1)
0 =>
array (size=6)
'id' => string '1' (length=1)
'username' => string 'admin' (length=5)
'password' => string 'e10adc3949ba59abbe56e057f20f883e' (length=32)
'email' => string 'admin@localhost.com' (length=19)
'status' => string '1' (length=1)
'access' => string '1' (length=1)
'link' => string '&nbsp;<strong>1</strong>&nbsp;<a href="http://localhost/ci_pmanagement/admin/index.php/user/page/1">2</a>&nbsp;<a href="http://localhost/ci_pmanagement/admin/index.php/user/page/2">3</a>&nbsp;<a href="http://localhost/ci_pmanagement/admin/index.php/user/page/1">&gt;</a>&nbsp;&nbsp;<a href="http://localhost/ci_pmanagement/admin/index.php/user/page/3">Last</a>' (length=360)

var_dump($result):

A PHP Error was encountered

Severity: Notice

Message: Undefined variable: result

Filename: users/index.php

Line Number: 44