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Full Version: My site user can't login it always show this message when correct password
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'Authorization code mismatch. Are you accessing this function correctly? Please go back and try again.'

I upgrade mybb latest but it problem now.. When you create account you can't login it always show this message. 
I can't login in my profile. only can access admin panel. than set password any user. But these user can't login.
see this guidance => authorization code mismatch
MY cms version is 1.8.20 . Give me solution.
Try reading the actual linked guide. You have your solution.

I try to add this code :
<input name="my_post_key" type="hidden" value="{$mybb->post_code}" />
after after <form action="member.php">
but it's not update it's show permission problem see screensort .
I try to update

Only one templete can update successfull that is, error_nopermission
(2019-03-27, 01:45 AM)hasanmallick Wrote: [ -> ]MY cms version is 1.8.20 . Give me solution.

1) Your forum is not updated for 1.8.20

2) Fix your cookie settings using this tool:

3) Your URL is without www. but your admin redirects to the www version
check here my dashboard show mybb is updated.