Are you using the default theme? If not, try the default theme and see if you have the same error. Someone else posted this recently and I can’t recall what it turned out to be. Here are a couple relevant posts:
https://bbpress.org/forums/topic/can-not-post-new-topic-in-this-forum#post-25509
https://bbpress.org/forums/topic/bbpress-error-closed-topic#post-22226
https://bbpress.org/forums/topic/problems-with-forum-is-category-in-10-alpha-6#post-25526
Also, why are you using alpha 4? I thought the basic integration screencast used alpha 6 and WordPress 2.7. There may be some bugs that were fixed between alpha 4 and alpha 6.
Hello, thx for your answer.
I use the default template (theme) named kakumei.
I tried the blue version : same result.
I tried to use alpha 6, but from scratch, i had many issues. Unable to share user session with WP.
Not the same version from bbpress integration module, on the WP side. (only alpha 4.1, not alpha 6).
I tried to upload directly, but I had problems.
It’s really difficilut, an finally, i spent a day of work, and my forum doesn’t work.
I hope i’ll run ^^
I met the same issue, I installed a clean WordPress 2.7.1 and bbPress is 1.0Aphla 6, the integration during the installation is smooth, and I can single sign on between WordPress and bbPress.
However, I can’t post any topics with the msg: “This topic has been closed”.
Is there anyone from Dev team could help?