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[Closed] 502 Bad Gateway

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This topic contains 6 replies, has 1 voice.

Last updated by Bobby 2 months ago.

Assisted by: Bobby.

Author Posts
January 30, 2026 at 1:42 pm #17778291

remizR

Dear Team,

We are currently facing an issue with the Transmed website. When accessing the admin panel edit pages, it is showing a 502 Bad Gateway error. However, when we disable the WPML plugin, the admin panel works fine to edit the pages.

Kindly let us know the cause of this issue and advise on how we can resolve it at the earliest.

Thank you.

Best regards,
Anjaly K V
January 30, 2026 at 6:55 pm #17779305

remizR

Dear Support Team,

We are waiting for your revert. Please get back asap.
January 30, 2026 at 8:44 pm #17779493

Bobby
WPML Supporter since 04/2015

Languages: English (English )

Timezone: America/Los_Angeles (GMT-07:00)

Hi there was an issue with our ATE server, which is now fixed,

If possible please test again and let me know your results.
January 31, 2026 at 5:13 am #17779758

remizR

Dear Bobby,

We have checked the website, and the same issue still persists. When accessing pages in the backend, it throws a 502 error. Similarly, when loading the admin dashboard and frontend in the same browser, we encounter the same 502 error. During this time, transmed.com is also not accessible.

Please look into this at the earliest.
January 31, 2026 at 5:38 pm #17780432

Bobby
WPML Supporter since 04/2015

Languages: English (English )

Timezone: America/Los_Angeles (GMT-07:00)

Typically WPML should not cause this behavior as this is more related to a server.

"a server acting as a proxy or gateway received an invalid response from an upstream server"

If possible, please go in your wp-config.php file and look for define(‘WP_DEBUG’, false);. Change it to:
define('WP_DEBUG', true);

Edit your wp-config.php file and add these lines, just before it says 'stop editing here':

ini_set('log_errors',TRUE);
ini_set('error_reporting', E_ALL);
ini_set('error_log', dirname(__FILE__) . 'hidden link');

This will create an error_log.txt file in your site's root directory. Please send me its contents.

In the meantime I'd also advise reaching out to the hosting provider in case they have any inputs from their side as well regarding the err 502
February 1, 2026 at 6:46 am #17780778

remizR

Dear Team,

We have enabled the error log and find the error log for your reference

hidden link
February 3, 2026 at 6:01 pm #17789282

Bobby
WPML Supporter since 04/2015

Languages: English (English )

Timezone: America/Los_Angeles (GMT-07:00)

Thank you for sharing the error log. Unfortunately it will not allow me to view it without being logged in to the FTP.

I would like to request temporary access (wp-admin and FTP) to your site to test the issue.
(preferably to a test site where the problem has been replicated if possible)

**Before we proceed It is necessary to take FULL BACKUP of your database and your website. Providing us with access, you agree that a backup has been taken **

I often use the Duplicator plugin for this purpose: http://wordpress.org/plugins/duplicator/
You will find the needed fields for this below the comment area when you log in to leave your next reply.
The information you enter is private which means only you and I have access to it.

NOTE: If access to the live site is not possible and the staging site does not exist please provide me with a duplicator package created with the duplicator plugin.

Thank you,
Bobby

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