[johnjack]

I am experiencing the same problem. I have updated to WordPress 4.0 two days ago
Any of my old links to the forums just result in a 404 Error
I also get a 404 if I access through the /forum route on my web address

Our website is http://www.sailscorpion.co.uk some of our users have raised it with us.

Any help on this would be appreciated
I don’t have any of the plugins shown above

Thanks

John

[webshine]

i also found that when I installed WordPress 4, things went very weird. I was grateful that I managed to recover the site. my website is http://www.webshine.co.uk.
Is there an issue with wordpress 4, should I wait till its stable?

[Robin W]

If you have one of the two issues listed above, then you can se if the suggestions work for you, or wait. The first has a ticket with wordpress so hopefully will be fixed in 4.0.1

[mrechte]

Hello,

I was faced with the same issue on a fresh WP4 install. Changing permalink to the above recommendation fixed the issue.

Thanks

[Robin W]

Great – glad you’re fixed !

[johnjack]

I am still struggling with the same issues.
As I dont have access to the hat access file changing permalinks isn’t an option, as it just ends up with all of my links not being rewritten and 404 errors on everything.

John

[Robin W]

you can change permalinks within wordpress

Dashboard>settings>permalinks

changing to postname is the popular option

[johnjack]

Correct, however your installation needs to have access to the hta access file, which ours doesn’t because we are on a shared server.

If you change the permalinks you get 404 errors on all of the post links as it cant change the rewrite rule in the hta file

[Robin W]

ok, thanks for the explanation

[Laserfj]

Sorry to post on an old thread but I am having the exact same problem identifies as “Issue 1” in this thread. I tried changing permalink to post name but that didn’t seem to help.

Are there any other ways to resolve this issue?

[Robin W]

can you confirm what version of bbpress and wordpress you are on, and that this occurred following an upgrade of bbpress

[Laserfj]

Wordpress v 4.4
Bbpress v 2.5.8

This is th initial setup of the site

[Robin W]

are these private forums? if so see

Oops! That page can’t be found on Sub Forums with WordPress 4.4

if not, come back with a link to your site

[Laserfj]

Yes–it was a private parent forum. Ok good news and bad news–I replaced the code in post.php:
if ( ‘publish’ === $parent->post_status ) {

replaced with
if ( ! empty( $parent ) ) {

The permalink has been fixed, but now I am getting errors:
Warning: Cannot modify header information – headers already sent by (output started at /public_html/wp-includes/post.php:1) in /public_html/wp-admin/post.php on line 197

Warning: Cannot modify header information – headers already sent by (output started at /public_html/wp-includes/post.php:1) in /public_html/wp-includes/pluggable.php on line 1228

What does this mean?

[Robin W]

This tells you why – almost certainly spaces in the file – in your case it is the post.php file instead of the wp-config.php file

http://www.hongkiat.com/blog/wordpress-error-warning-cannot-modify-header-information/

so the example in the link has

output started at //home/htdocs/wordpress/wp-config.php:1

but your error message says

output started at /public_html/wp-includes/post.php:1)

which explains the post.php file that you have been editing

[Laserfj]

Thanks for your quick response-you were right. Based on your suggestion I read through some help files and there was an invisible “BOM” character (whatever that is) that got put into the file when I saved it using notepad.

Thank you so much for all of your help–it is working perfectly now!

You are a lifesaver!!!

[Robin W]

thanks and no problem, glad to have helped !