Since two days ago PHP Error Log is showing once a day an alert like this one or similar:
Can I ignore these alerts?
[15-May-2015 12:55:14 UTC] Error Got error 28 from storage engine de la base de datos de WordPress para la consulta SHOW FULL COLUMNS FROM wp_options realizada por require('wp-blog-header.php'), require_once('wp-load.php'), require_once('wp-config.php'), require_once('wp-settings.php'), do_action('init'), call_user_func_array, bpsPro_schedule_SecurityLog_check, wp_schedule_event, _set_cron_array, update_option