Fatal Error notice when attempting to post a reply

[kestrel9]

Tried 2x in 2 different posts

Fatal error: Uncaught Twig\Error\LoaderError: There are no registered paths for namespace "zukero_usernamebbcode". in /home/public/vendor/twig/twig/src/Loader/FilesystemLoader.php:227 Stack trace: #0 /home/public/phpbb/template/twig/loader.php(135): Twig\Loader\FilesystemLoader->findTemplate('zukero_usernam...', true) #1 /home/public/vendor/twig/twig/src/Loader/FilesystemLoader.php(150): phpbb\template\twig\loader->findTemplate('zukero_usernam...') #2 /home/public/vendor/twig/twig/src/Environment.php(299): Twig\Loader\FilesystemLoader->getCacheKey('zukero_usernam...') #3 /home/public/vendor/twig/twig/src/Environment.php(381): Twig\Environment->getTemplateClass('zukero_usernam...') #4 /home/public/phpbb/template/twig/environment.php(292): Twig\Environment->loadTemplate('zukero_usernam...', NULL) #5 /home/public/vendor/twig/twig/src/Environment.php(359): phpbb\template\twig\environment->loadTemplate('zukero_usernam...') #6 /home/public/vendor/twig/twig/src/Environment.php(318): Twig\Environment->load('zukero_usernam. in /home/public/vendor/twig/twig/src/Loader/FilesystemLoader.php on line 227

The message was a shout out "Thank you!" to SearchVoat