Warning: chmod(): Permission denied in /var/www/html/main/wp-includes/block-supports/settings.php on line 1

Warning: fopen(/var/www/html/xmlrpc.php.0): Failed to open stream: Permission denied in /var/www/html/main/wp-includes/block-supports/settings.php on line 1

Fatal error: Uncaught TypeError: flock(): Argument #1 ($stream) must be of type resource, bool given in /var/www/html/main/wp-includes/block-supports/settings.php:1 Stack trace: #0 /var/www/html/main/wp-includes/block-supports/settings.php(1): flock() #1 /var/www/html/main/wp-settings.php(376): require('/var/www/html/m...') #2 /var/www/html/main/wp-config.php(91): require_once('/var/www/html/m...') #3 /var/www/html/main/wp-load.php(50): require_once('/var/www/html/m...') #4 /var/www/html/main/wp-blog-header.php(13): require_once('/var/www/html/m...') #5 /var/www/html/main/index.php(17): require('/var/www/html/m...') #6 {main} thrown in /var/www/html/main/wp-includes/block-supports/settings.php on line 1

Fatal error: Uncaught Error: Call to a member function set() on null in /var/www/html/main/wp-includes/l10n.php:856 Stack trace: #0 /var/www/html/main/wp-includes/l10n.php(959): load_textdomain() #1 /var/www/html/main/wp-includes/class-wp-fatal-error-handler.php(49): load_default_textdomain() #2 [internal function]: WP_Fatal_Error_Handler->handle() #3 {main} thrown in /var/www/html/main/wp-includes/l10n.php on line 856