It seems we get an error message when you post a new thread of reply. I know it sucks, but the message you typed does actually appear.

We upgraded the forum specs today and something probably went wrong. We are trying to figure out what is causing the error.

Once again, you’ll get an error message, but your post will appear.

The error message you will get:
MySQL ERROR:

Error Number: 1054

Description: Unknown column ‘m.ignore_list’ in ‘field list’

Query: SELECT s.hash, s.notification_sent, m.member_id, m.email, m.screen_name, m.smart_notifications, m.ignore_list FROM exp_members m, exp_forum_subscriptions s WHERE s.member_id = m.member_id AND s.topic_id = ‘1322’