{
			return $wp_user_roles;
		}

		if ( is_multisite() && get_current_blog_id() !== $this->site_id ) {
			remove_action( 'switch_blog', 'wp_switch_roles_and_user', 1 );

			$roles = get_blog_option( $this->site_id, $this->role_key, array() );

			add_action( 'switch_blog', 'wp_switch_roles_and_user', 1, 2 );

			return $roles;
		}

		return get_option( $this->role_key, array() );
	}
}
<br />
<b>Fatal error</b>:  require_once(): Failed opening required '/var/www/html/helitower.com.br/web/wp-includes/blocks/avatar.php' (include_path='.:/usr/share/pear') in <b>/var/www/html/helitower.com.br/web/wp-includes/blocks/require-dynamic-blocks.php</b> on line <b>6</b><br />
<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function set() on null in /var/www/html/helitower.com.br/web/wp-includes/l10n.php:854
Stack trace:
#0 /var/www/html/helitower.com.br/web/wp-includes/l10n.php(957): load_textdomain('default', '/var/www/html/h...', 'pt_BR')
#1 /var/www/html/helitower.com.br/web/wp-includes/class-wp-fatal-error-handler.php(49): load_default_textdomain()
#2 [internal function]: WP_Fatal_Error_Handler-&gt;handle()
#3 {main}
  thrown in <b>/var/www/html/helitower.com.br/web/wp-includes/l10n.php</b> on line <b>854</b><br />