Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function "wp_setup_widgets_block_editor" not found or invalid function name in /home/magnolia77lx/ftp/wp/wp-includes/class-wp-hook.php:324
Stack trace:
#0 /home/magnolia77lx/ftp/wp/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#1 /home/magnolia77lx/ftp/wp/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#2 /home/magnolia77lx/ftp/wp/wp-settings.php(621): do_action('after_setup_the...')
#3 /home/magnolia77lx/ftp/wp/wp-config.php(98): require_once('/home/magnolia7...')
#4 /home/magnolia77lx/ftp/wp/wp-load.php(50): require_once('/home/magnolia7...')
#5 /home/magnolia77lx/ftp/wp/wp-blog-header.php(13): require_once('/home/magnolia7...')
#6 /home/magnolia77lx/ftp/wp/index.php(17): require('/home/magnolia7...')
#7 {main}
thrown in /home/magnolia77lx/ftp/wp/wp-includes/class-wp-hook.php on line 324