Uncaught TypeError: ftp_rename()

Hi I have following error. My server does not use FTP configured as I only use direct writing or sftp with ssh key via Filezilla. How can I fix this issue? I could not find any solution. Thank you!

PHP message: PHP Fatal error: Uncaught TypeError: ftp_rename(): Argument #1 ($ftp) must be of type resource, null given in /var/www/yyyyy.com/htdocs/wp-admin/includes/class-wp-filesystem-ftpext.php:379
Stack trace: 0 /var/www/yyyyy.com/htdocs/wp-admin/includes/class-wp-filesystem-ftpext.php(379): ftp_rename() 1 /var/www/yyyyy.com/htdocs/wp-content/plugins/kirki/kirki-packages/module-webfonts/src/Webfonts/Downloader.php(116): WP_Filesystem_FTPext->move() 2 /var/www/yyyyy.com/htdocs/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/yyyyy.com/htdocs/wp-content/plugins/kirki/kirki-packages/module-webfonts/src/Webfonts/Downloader.php(32): Kirki\Module\Webfonts\Downloader->get_local_font_styles() 4 /var/www/yyyyy.com/htdocs/wp-content/plugins/kirki/kirki-packages/module-webfonts/src/Webfonts/Embed.php(154): Kirki\Module\Webfonts\Downloader->get_styles()