A PHP Error was encountered
Severity: Warning
Message: Undefined variable $join
Filename: models/gsp_admin_model.php
Line Number: 267
A PHP Error was encountered
Severity: 8192
Message: trim(): Passing null to parameter #1 ($string) of type string is deprecated
Filename: models/gsp_admin_model.php
Line Number: 267
A PHP Error was encountered
Severity: Warning
Message: Undefined variable $key
Filename: models/gsp_admin_model.php
Line Number: 269
A PHP Error was encountered
Severity: 8192
Message: trim(): Passing null to parameter #1 ($string) of type string is deprecated
Filename: models/gsp_admin_model.php
Line Number: 269
Fatal error: Uncaught mysqli_sql_exception: Expression #1 of ORDER BY clause is not in SELECT list, references column 'globalst_portal.levels.view_order' which is not in SELECT list; this is incompatible with DISTINCT in /home/globalstudyporta/public_html/system/database/drivers/mysqli/mysqli_driver.php:179
Stack trace:
#0 /home/globalstudyporta/public_html/system/database/drivers/mysqli/mysqli_driver.php(179): mysqli_query(Object(mysqli), 'SELECT DISTINCT...')
#1 /home/globalstudyporta/public_html/system/database/DB_driver.php(453): CI_DB_mysqli_driver->_execute('SELECT DISTINCT...')
#2 /home/globalstudyporta/public_html/system/database/DB_driver.php(299): CI_DB_driver->simple_query('SELECT DISTINCT...')
#3 /home/globalstudyporta/public_html/system/database/DB_active_rec.php(963): CI_DB_driver->query('SELECT DISTINCT...')
#4 /home/globalstudyporta/public_html/application/models/gsp_admin_model.php(562): CI_DB_active_record->get()
#5 /home/globalstudyporta/public_html/application/controllers/course.php(901): Gsp_admin_model->get_where_from_all(Array, 'levels', Array, 'view_order')
#6 /home/globalstudyporta/public_html/system/core/CodeIgniter.php(359): Course->toplisted('engineering-tec...', '6')
#7 /home/globalstudyporta/public_html/index.php(202): require_once('/home/globalstu...')
#8 {main}
thrown in /home/globalstudyporta/public_html/system/database/drivers/mysqli/mysqli_driver.php on line 179