Sounds like you're facing a common Webform issue where error messages aren't displaying. The most frequent culprit is your theme: check its page.html.twig for missing {{ page.highlighted }} or {{ page.content }}. Temporarily switching to a core theme like Bartik will confirm if your theme is the problem. Also, open your browser's console for JavaScript errors Human Dog Translator and ensure you're clearing all caches (drush cr). If those don't work, try creating a minimal test form.