Warning: require_once(/home/performanceforge/public_html/wp-admin/includes/class-wp-upgrader-skin.php): failed to open stream: No such file or directory in /home/performanceforge/public_html/wp-content/plugins/wpforms-lite/src/Helpers/PluginSilentUpgraderSkin.php on line 6

Fatal error: require_once(): Failed opening required '/home/performanceforge/public_html/wp-admin/includes/class-wp-upgrader-skin.php' (include_path='.:/opt/cpanel/ea-php72/root/usr/share/pear') in /home/performanceforge/public_html/wp-content/plugins/wpforms-lite/src/Helpers/PluginSilentUpgraderSkin.php on line 6