Uncaught TypeError: ftp_rename()

Showing this error!

2024/06/24 05:23:30 [error] 889#889: *932760 FastCGI sent in stderr: "PHP message: PHP Fatal error:  Uncaught TypeError: ftp_rename(): Argument #1 ($ftp) must be of type FTP\Connection, null given in /var/www/demo/motivational/wp-admin/includes/class-wp-filesystem-ftpext.php:379
Stack trace:
#0 /var/www/demo/motivational/wp-admin/includes/class-wp-filesystem-ftpext.php(379): ftp_rename()
#1 /var/www/demo/motivational/wp-content/plugins/kirki/kirki-packages/module-webfonts/src/Webfonts/Downloader.php(116): WP_Filesystem_FTPext->move()
#2 /var/www/demo/motivational/wp-content/plugins/kirki/kirki-packages/module-webfonts/src/Webfonts/Downloader.php(44): Kirki\Module\Webfonts\Downloader->get_local_files_from_css()
#3 /var/www/demo/motivational/wp-content/plugins/kirki/kirki-packages/module-webfonts/src/Webfonts/Downloader.php(32): Kirki\Module\Webfonts\Downloader->get_local_font_styles()
#4 /var/www/demo/motivational/wp-content/plugins/kirki/kirki-packages/

Would you please check this?