A PHP Error was encountered

Severity: Warning

Message: Attempt to read property "session" on null

Filename: libraries/Securimage_library.php

Line Number: 878

Fatal error: Uncaught Error: Call to a member function set_userdata() on null in /var/www/html/op/winner/apps/libraries/Securimage_library.php:878 Stack trace: #0 /var/www/html/op/winner/apps/libraries/Securimage_library.php(747): CI_Securimage_library->saveData() #1 /var/www/html/op/winner/apps/libraries/Securimage_library.php(553): CI_Securimage_library->createCode() #2 /var/www/html/op/winner/apps/libraries/Securimage_library.php(510): CI_Securimage_library->doImage() #3 /var/www/html/op/winner/modules/captcha/controllers/captcha.php(17): CI_Securimage_library->show() #4 /var/www/html/op/winner/codeigniter/core/CodeIgniter.php(359): Captcha->normal() #5 /var/www/html/op/winner/index.php(397): require_once('/var/www/html/o...') #6 {main} thrown in /var/www/html/op/winner/apps/libraries/Securimage_library.php on line 878