Textbooks
Fatal error: Uncaught Error: Call to undefined method Gdacl::check_acl() in /home/chinese/public_html/app/helpers/gd_user_helper.php:52
Stack trace:
#0 /home/chinese/public_html/app/views/textbooks.php(9): user_has_permission('textbook_edit', false, false)
#1 /home/chinese/public_html/sys/core/Loader.php(833): include('/home/chinese/p...')
#2 /home/chinese/public_html/sys/core/Loader.php(419): CI_Loader->_ci_load(Array)
#3 /home/chinese/public_html/app/libraries/Layout.php(34): CI_Loader->view('textbooks', Array, true)
#4 /home/chinese/public_html/app/controllers/textbooks.php(24): Layout->view('textbooks', 'Chineseforall.o...', Array, NULL, NULL)
#5 /home/chinese/public_html/sys/core/CodeIgniter.php(359): Textbooks->index()
#6 /home/chinese/public_html/index.php(289): require_once('/home/chinese/p...')
#7 {main}
thrown in /home/chinese/public_html/app/helpers/gd_user_helper.php on line 52