Error message

• Warning: include_once(/var/www/vhosts/medicaltravelczech.com/httpdocs/sites/all/libraries/elfinder/php/elFinder.class.php): failed to open stream: No such file or directory in include_once() (line 11 of /var/www/vhosts/medicaltravelczech.com/httpdocs/sites/all/modules/elfinder/elfinder.module).
• Warning: include_once(): Failed opening '/var/www/vhosts/medicaltravelczech.com/httpdocs/sites/all/libraries/elfinder/php/elFinder.class.php' for inclusion (include_path='.:/opt/plesk/php/7.2/share/pear') in include_once() (line 11 of /var/www/vhosts/medicaltravelczech.com/httpdocs/sites/all/modules/elfinder/elfinder.module).