Fatal error: Uncaught mysqli_sql_exception: Illegal mix of collations (utf8_general_ci,IMPLICIT) and (utf8mb4_unicode_520_ci,COERCIBLE) for operation 'like' in /mnt/web204/c1/59/5173359/htdocs/website/wp-includes/wp-db.php:2056
Stack trace:
#0 /mnt/web204/c1/59/5173359/htdocs/website/wp-includes/wp-db.php(2056): mysqli_query(Object(mysqli), 'SELECT SQL_CALC...')
#1 /mnt/web204/c1/59/5173359/htdocs/website/wp-includes/wp-db.php(1945): wpdb->_do_query('SELECT SQL_CALC...')
#2 /mnt/web204/c1/59/5173359/htdocs/website/wp-includes/wp-db.php(2658): wpdb->query('SELECT SQL_CALC...')
#3 /mnt/web204/c1/59/5173359/htdocs/website/wp-includes/class-wp-query.php(3016): wpdb->get_col('SELECT SQL_CALC...')
#4 /mnt/web204/c1/59/5173359/htdocs/website/wp-includes/class-wp-query.php(3448): WP_Query->get_posts()
#5 /mnt/web204/c1/59/5173359/htdocs/website/wp-includes/class-wp.php(624): WP_Query->query(Array)
#6 /mnt/web204/c1/59/5173359/htdocs/website/wp-includes/class-wp.php(747): WP->query_posts()
#7 /mnt/web204/c1/59/5173359/htdocs/website/wp-includes/functions.php(1291): WP->main('')
#8 /mnt/web204/c1/59/5173359/htdocs/website/wp-blog-header.php(16): wp()
#9 /mnt/web204/c1/59/5173359/htdocs/website/index.php(17): require('/mnt/web204/c1/...')
#10 {main}
  thrown in /mnt/web204/c1/59/5173359/htdocs/website/wp-includes/wp-db.php on line 2056