XMLCustomWriter.inc.php file not found

  • Application Version - e.g., OJS
  • Description of issue
    When I open the installed plugins page I get the error 500
    In log files i have this errors
    PHP Fatal error: require_once(): Failed opening required ‘/home/mywebsite/web/mywebsite/public_html/lib/pkp/classes/xml/XMLCustomWriter.inc.php’ (include_path=’.:/usr/share/php’) in /home/mywebsite/web/mywebsite/public_html/lib/pkp/includes/functions.inc.php on line 25
    There is no such file(XMLCustomWriter.inc.php) in the folder /home/mywebsite/web/mywebsite/public_html/lib/pkp/classes/xml/

and I can not update the system gives the same error, I tried to download the latest version of OJS but they also do not have this file

How can fix this error or tell me what to do?