error with 4.2.2

error with 4.2.2 after update:

Warning: require_once(/var/www/xxx.com/htdocs/wp-content/plugins/contact-form-7/admin/admin-functions.php): failed to open stream: No such file or directory in /var/www/xxx.com/htdocs/wp-content/plugins/contact-form-7/admin/admin.php on line 3

Fatal error: require_once(): Failed opening required ‘/var/www/xxx.com/htdocs/wp-content/plugins/contact-form-7/admin/admin-functions.php’ (include_path=’.:/usr/share/php:/usr/share/pear’) in /var/www/xxx.com/htdocs/wp-content/plugins/contact-form-7/admin/admin.php on line 3

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