SCLogin Failed

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I'm assuming the image explains everything, but that's not always the case. If there's any more information can provide on 'it does not work', that would be helpful so we can get you the best answer as quickly as possible.

Thanks,
Alex

When I try to login on your site, there's something that's redirecting from officers to officers/ and then the request is being denied. Try to disable SEF URLs, both in the Global Configuration area or in any 3rd party extensions you have enabled. My guess is that it's either an SEF issue or something wrong with your .htaccess file that's improperly routing the requests (and/or denying them). Beyond that, if you have a firewall extension on your site, try disabling that.

Once everything is disabled and, hopefully, login is working.. start re-enabling one by one until you narrow down the culprit and it will be easier to come up with a solution.

I hope that helps,
Alex

SEF in the Global configuration area is what changes URLs from looking like:
index.php?option=com_users&view=login
to:
/login

That shouldn't prevent authentication, but knowing that's the problem helps. I'd check that you're using the standard .htaccess of Joomla, have caching disabled as well, and keep trying to narrow down any settings that could be combining to make the problem.

If you can live with the non-SEF URLs above, leaving the SEF settings disabled is a fine solution as well.

Thanks,
Alex