Fatal error: Uncaught Error: Class "bootstrap_renderer" not found in /home/.sites/32/site2321684/web/english_tutor/moodle/lib/setup.php:560
Stack trace:
#0 /home/.sites/32/site2321684/web/english_tutor/moodle/config.php(27): require_once()
#1 /home/.sites/32/site2321684/web/english_tutor/moodle/index.php(30): require_once('/home/.sites/32...')
#2 {main}
  thrown in /home/.sites/32/site2321684/web/english_tutor/moodle/lib/setup.php on line 560