ACYMailing Unsubscribe Error 0

My newsletter unsubscribe link send people to an error page.
Balbooa\Plugin\System\Gridbox\Extension\Gridbox::compressGridbox(): Argument #1 ($view) must be of type string, null given, called in /home/customer/www/treasuresofoz.org/public_html/plugins/system/gridbox/src/Extension/Gridbox.php on line 301

https://treasuresofoz.org/component/acym/frontusers/unsubscribe/198-treasures-of-oz-2025?userId=1855&userKey=Ax4Zg0W6dccBIw&tmpl=component