Fatal error: Uncaught mysqli_sql_exception: mysqlnd cannot connect to MySQL 4.1+ using the old insecure authentication. Please use an administration tool to reset your password with the command SET PASSWORD = PASSWORD('your_existing_password'). This will store a new, and more secure, hash value in mysql.user. If this user is used in other scripts executed by PHP 5.2 or earlier you might need to remove the old-passwords flag from your my.cnf file in /home/isu1215/public_html/rb/wp-includes/wp-db.php:1636 Stack trace: #0 /home/isu1215/public_html/rb/wp-includes/wp-db.php(1636): mysqli_real_connect(Object(mysqli), 'localhost', 'isu1215', 'SQ6H7VLET5', NULL, NULL, NULL, 0) #1 /home/isu1215/public_html/rb/wp-includes/wp-db.php(632): wpdb->db_connect() #2 /home/isu1215/public_html/rb/wp-includes/load.php(425): wpdb->__construct('isu1215', 'SQ6H7VLET5', 'isu1215', 'localhost') #3 /home/isu1215/public_html/rb/wp-settings.php(116): require_wp_db() #4 /home/isu1215/public_html/rb/wp-config.php(93): require_once('/home/isu1215/p...') #5 /home/isu1215/public_html/rb/wp-load.php(37): require_once('/home/isu1215/p...') #6 /home/isu1215/public_html/rb/wp-blog-header.php(13): require_once('/home/isu1215/p...') #7 /home/isu1215/public_html/index.php(17): require('/home/isu1215/p...') #8 {main} thrown in /home/isu1215/public_html/rb/wp-includes/wp-db.php on line 1636

Fatal error: Uncaught Error: Call to undefined function wp_kses_normalize_entities() in /home/isu1215/public_html/rb/wp-includes/formatting.php:4361 Stack trace: #0 /home/isu1215/public_html/rb/wp-includes/class-wp-fatal-error-handler.php(190): esc_url('https://wordpre...') #1 /home/isu1215/public_html/rb/wp-includes/class-wp-fatal-error-handler.php(147): WP_Fatal_Error_Handler->display_default_error_template(Array, false) #2 /home/isu1215/public_html/rb/wp-includes/class-wp-fatal-error-handler.php(52): WP_Fatal_Error_Handler->display_error_template(Array, false) #3 [internal function]: WP_Fatal_Error_Handler->handle() #4 {main} thrown in /home/isu1215/public_html/rb/wp-includes/formatting.php on line 4361