<br />
<b>Fatal error</b>:  Uncaught Error: Call to undefined function _system_rebuild_theme_data() in /var/www/html/includes/theme.inc:798
Stack trace:
#0 /var/www/html/includes/theme.maintenance.inc(57): list_themes()
#1 /var/www/html/includes/bootstrap.inc(2965): _drupal_maintenance_theme()
#2 /var/www/html/includes/errors.inc(177): drupal_maintenance_theme()
#3 /var/www/html/includes/bootstrap.inc(2690): _drupal_log_error(Array, true)
#4 [internal function]: _drupal_exception_handler(Object(Error))
#5 {main}
  thrown in <b>/var/www/html/includes/theme.inc</b> on line <b>798</b><br />
<br />
<b>Fatal error</b>:  Uncaught Error: Call to undefined function cache_get() in /var/www/html/includes/module.inc:763
Stack trace:
#0 /var/www/html/includes/module.inc(963): module_implements('watchdog')
#1 /var/www/html/includes/bootstrap.inc(2081): module_invoke_all('watchdog', Array)
#2 /var/www/html/includes/bootstrap.inc(3876): watchdog('php', '%type: !message...', Array, 4)
#3 [internal function]: _drupal_shutdown_function()
#4 {main}
  thrown in <b>/var/www/html/includes/module.inc</b> on line <b>763</b><br />