Okay, so this error reached its current form in commit bd44670666105642dd9b09eb06fc312884bc1e46. But the commit before that is broken too, it just shows "No pieform template available: wallpost.php Continue" instead.
Okay, so this error reached its current form in commit bd4467066610564 2dd9b09eb06fc31 2884bc1e46. But the commit before that is broken too, it just shows "No pieform template available: wallpost.php Continue" instead.