Warning: require(/home/fscdnnah/public_html/wp-includes/class-wp-block-parser-block.php): Failed to open stream: No such file or directory in /home/fscdnnah/public_html/wp-settings.php on line 325

Warning: require(/home/fscdnnah/public_html/wp-includes/class-wp-block-parser-block.php): Failed to open stream: No such file or directory in /home/fscdnnah/public_html/wp-settings.php on line 325

Fatal error: Uncaught Error: Failed opening required '/home/fscdnnah/public_html/wp-includes/class-wp-block-parser-block.php' (include_path='.:/opt/cpanel/ea-php81/root/usr/share/pear') in /home/fscdnnah/public_html/wp-settings.php:325
Stack trace:
#0 /home/fscdnnah/public_html/wp-config.php(90): require_once()
#1 /home/fscdnnah/public_html/wp-load.php(50): require_once('/home/fscdnnah/...')
#2 /home/fscdnnah/public_html/wp-blog-header.php(13): require_once('/home/fscdnnah/...')
#3 /home/fscdnnah/public_html/index.php(17): require('/home/fscdnnah/...')
#4 {main}
  thrown in /home/fscdnnah/public_html/wp-settings.php on line 325