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Warning: require(/home/www/dev-donauweb/donauweb/wp-includes/class-wp-exception.php): Failed to open stream: No such file or directory in /home/www/dev-donauweb/donauweb/wp-settings.php on line 42

Fatal error: Uncaught Error: Failed opening required '/home/www/dev-donauweb/donauweb/wp-includes/class-wp-exception.php' (include_path='.:/opt/alt/php82/usr/share/pear') in /home/www/dev-donauweb/donauweb/wp-settings.php:42 Stack trace: #0 /home/www/dev-donauweb/donauweb/wp-config.php(38): require_once() #1 /home/www/dev-donauweb/donauweb/wp-load.php(50): require_once('/home/www/dev-d...') #2 /home/www/dev-donauweb/donauweb/wp-blog-header.php(13): require_once('/home/www/dev-d...') #3 /home/www/dev-donauweb/donauweb/wp-index.php(18): require('/home/www/dev-d...') #4 /home/www/dev-donauweb/donauweb/start_both.php(90): include('/home/www/dev-d...') #5 /home/www/dev-donauweb/donauweb/start.php(5): include('/home/www/dev-d...') #6 {main} thrown in /home/www/dev-donauweb/donauweb/wp-settings.php on line 42