Fatal error: Uncaught Error: Call to undefined function _system_rebuild_theme_data() in /mnt/ebs1/opt/sites/ida/html/includes/theme.inc:798 Stack trace: #0 /mnt/ebs1/opt/sites/ida/html/includes/theme.maintenance.inc(57): list_themes() #1 /mnt/ebs1/opt/sites/ida/html/includes/bootstrap.inc(2894): _drupal_maintenance_theme() #2 /mnt/ebs1/opt/sites/ida/html/includes/errors.inc(179): drupal_maintenance_theme() #3 /mnt/ebs1/opt/sites/ida/html/includes/bootstrap.inc(2622): _drupal_log_error(Array, true) #4 [internal function]: _drupal_exception_handler(Object(PDOException)) #5 {main} thrown in /mnt/ebs1/opt/sites/ida/html/includes/theme.inc on line 798