Fatal Error

Hello, after updating WordPress the theme crashed with a fatal error. <span data-olk-copy-source="MessageBody">The fatal error occurs in wp-content/themes/clean-blocks-pro/inc/wptt-webfont-loader.php I will include the longer error message bellow. Can you please help me with this issue? This occurred even after installing the 2.1 update.</span> <div dir="ltr" data-olk-copy-source="MessageBody">[10-Sep-2025 16:31:04 UTC] PHP Fatal error:  Uncaught TypeError: ftp_nlist(): Argument #1 ($ftp) must be of type FTP\Connection, null given in /home/wpmulti/web_docs/wp-admin/includes/class-wp-filesystem-ftpext.php:438</div>