Error log – Illegal mix of collations

  • Just checking server error logs and found the following….

    [08-Oct-2018 12:50:46 UTC] WordPress database error Illegal mix of collations (utf8_general_ci,IMPLICIT) and (utf8mb4_unicode_ci,COERCIBLE) for operation ‘=’ for query SELECT * FROM nathd_wysija_url WHERE url=”?|é?_k_êx?wy?r_lkk?” ORDER BY url_id DESC LIMIT 0 , 1 made by require(‘wp-blog-header.php’), require_once(‘wp-load.php’), require_once(‘wp-config.php’), require_once(‘wp-settings.php’), do_action(‘init’), WP_Hook->do_action, WP_Hook->apply_filters, WYSIJA_control_front_stats->analyse, WJ_Stats->subscriber_clicked, WJ_Stats->_record_url, WYSIJA_model->getOne, WYSIJA_model->get, WYSIJA_model->getRows, WYSIJA_model->query
    [08-Oct-2018 12:50:46 UTC] WordPress database error Illegal mix of collations (utf8_general_ci,IMPLICIT) and (utf8mb4_unicode_ci,COERCIBLE) for operation ‘=’ for query SELECT * FROM nathd_wysija_url WHERE url=”?|é?_k_êx?wy?r_lkk?” ORDER BY url_id DESC LIMIT 0 , 1 made by require(‘wp-blog-header.php’), require_once(‘wp-load.php’), require_once(‘wp-config.php’), require_once(‘wp-settings.php’), do_action(‘init’), WP_Hook->do_action, WP_Hook->apply_filters, WYSIJA_control_front_stats->analyse, WJ_Stats->subscriber_clicked, WJ_Stats->_record_url, WYSIJA_model->getOne, WYSIJA_model->get, WYSIJA_model->getRows, WYSIJA_model->query

    Why and what is the fix?

    • This topic was modified 6 years, 1 month ago by Adendum. Reason: Typo

    The page I need help with: [log in to see the link]

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