Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /volume1/web/tenkara/wp-includes/wp-db.php on line 1668

Error: Call to undefined function mysql_connect() in /volume1/web/tenkara/wp-includes/wp-db.php on line 1668

Call Stack:
    0.0001     401616   1. {main}() /volume1/web/tenkara/index.php:0
    0.0002     401896   2. require('/volume1/web/tenkara/wp-blog-header.php') /volume1/web/tenkara/index.php:17
    0.0002     402248   3. require_once('/volume1/web/tenkara/wp-load.php') /volume1/web/tenkara/wp-blog-header.php:13
    0.0003     402984   4. require_once('/volume1/web/tenkara/wp-config.php') /volume1/web/tenkara/wp-load.php:37
    0.0004     404256   5. require_once('/volume1/web/tenkara/wp-settings.php') /volume1/web/tenkara/wp-config.php:90
    0.0065     694688   6. require_wp_db() /volume1/web/tenkara/wp-settings.php:116
    0.0067     707632   7. wpdb->__construct() /volume1/web/tenkara/wp-includes/load.php:425
    0.0067     708040   8. wpdb->db_connect() /volume1/web/tenkara/wp-includes/wp-db.php:632


Fatal error: Uncaught Error: Call to undefined function wp_kses_normalize_entities() in /volume1/web/tenkara/wp-includes/formatting.php on line 4305

Error: Call to undefined function wp_kses_normalize_entities() in /volume1/web/tenkara/wp-includes/formatting.php on line 4305

Call Stack:
    0.0071     721088   1. WP_Fatal_Error_Handler->handle() /volume1/web/tenkara/wp-includes/class-wp-fatal-error-handler.php:0
    0.0072     788768   2. WP_Fatal_Error_Handler->display_error_template() /volume1/web/tenkara/wp-includes/class-wp-fatal-error-handler.php:52
    0.0073     788848   3. WP_Fatal_Error_Handler->display_default_error_template() /volume1/web/tenkara/wp-includes/class-wp-fatal-error-handler.php:147
    0.0112     796728   4. esc_url() /volume1/web/tenkara/wp-includes/class-wp-fatal-error-handler.php:190