Forum - Error Posting Reply v4.2

Otherwise known as the "Forum Glitch"

TW Ticket

see pre-existing http://dev.tiki.org/item2991

Issue Description

User receives message   Notice: this variable may not be empty: $_POST["thread_sort_mode"]   when attempting to post a reply to a forum post.

Description from TW Ticket 2991

1. Create a new thread and type in a few words
2. press PREVIEW to verify and press SAVE after that.
3. verify that posting went well
4. now reply to this initial posting by typing a few words and press PREVIEW to see that preview works fine
5. now press SAVE and get the error message

Notice: this variable may not be empty: $_POST["thread_sort_mode"]

Note this issue only affects non-admin users.

Issue History

Initial 30Jun2010 - E-mail to Barry along with code hack from http://tikiwiki.org/tiki-view_forum_thread.php?forumId=6&comments_parentId=36043

Update 04Jul2010 - Patch applied to v4.2 by Barry and confirmed by Martin to resolve our issue.

Status Fixed

NB this issue reappeared on TW4.3 See BIR_B_2991_Forum_Error_Posting_Reply_v43