Email support@sayless.sh with what happened and your app version (Settings, at the bottom).
Something landed in Feed that should be a chat. Open it and choose "Move to Chats". say less learns from that.
I'm not getting notifications. Check Settings → Notifications in say less, then iOS Settings → say less → Notifications. Quiet hours and muted chats also silence pushes.
How do I delete my account? Settings → Delete account, or here.