Fatal error: Uncaught TypeError: ftp_fput(): Argument #1 ($ftp) must be of type FTP\Connection, null given in /home/mbsadr/public_html/ar/wp-admin/includes/class-wp-filesystem-ftpext.php:212 Stack trace: #0 /home/mbsadr/public_html/ar/wp-admin/includes/class-wp-filesystem-ftpext.php(212): ftp_fput(NULL, '/home/mbsadr/pu...', Resource id #2125, 2) #1 /home/mbsadr/public_html/ar/wp-content/themes/finacia/functions.php(599): WP_Filesystem_FTPext->put_contents('/home/mbsadr/pu...', '\n\n.radianttheme...', 420) #2 /home/mbsadr/public_html/ar/wp-settings.php(739): include('/home/mbsadr/pu...') #3 /home/mbsadr/public_html/ar/wp-config.php(94): require_once('/home/mbsadr/pu...') #4 /home/mbsadr/public_html/ar/wp-load.php(50): require_once('/home/mbsadr/pu...') #5 /home/mbsadr/public_html/ar/wp-blog-header.php(13): require_once('/home/mbsadr/pu...') #6 /home/mbsadr/public_html/ar/index.php(17): require('/home/mbsadr/pu...') #7 {main} thrown in /home/mbsadr/public_html/ar/wp-admin/includes/class-wp-filesystem-ftpext.php on line 212