redirect error message in MessageIndex.php

[dobuy]

I am getting a continuous stream of error messages as below, any suggestions on a fix for this would be much apreciated, many thanks.

http://www.xxxxxx/index.php?pretty;board=car-chat-27.0
8: Undefined index: redirectApply Filter: Only show the errors from this file
File: /home/xxxxxx/public_html/Sources/MessageIndex.php
Line: 35

Generating an error in line 35 of the MessageIndex.php

35:      if ($board_info['redirect'])
36:      {
37:         $smcFunc['db_query']('', '
38:            UPDATE {db_prefix}boards
39:            SET num_posts = num_posts + 1
40:            WHERE id_board = {int:current_board}',
41:            array(
42:               'current_board' => $board,
43:            )
44:         );
45:   
46:         redirectexit($board_info['redirect']);

My modifications are currently:

Google Analytics Code   1.4 
RSS Feed Poster   3.0.4 
Pretty URLs   1.1 
Enable or Disable "Last Edit: by" for Administrators   1.4 
Global Headers Footers   2.0.1 
Similar Topics   0.6 
Aeva ~ Auto-Embed Video & Audio   7.2 
SA Facebook   2.0.2 

Although I have tried several others and un-installed them.

[Kindred]

your error would seem to be related to the prettyurls mod.

so, any fix should be requested in the support thread for that mod...    although, personally, I'd just get rid of it - it serves no actual purpose in SEO terms.