“Visible Section not found” at backend login in Magento 2

Question

When I switch the store to a specific domain https:// example.com (secure & unsecure), I get the error "Visible Section not found" when trying to log into the backend.

The funny thing: as soon as I change the url to something else say www.example.com the error disappears and I am able to login fine.

I was testing a lot (Enviroment Varibles, Cache flush, recompiling)

Can anybody explain this to me?

Answer 1

Basically the "Visible Section not found" error means that the session didn't work in any way.

I had the trouble now twice. One time it was a .example.com set as the cookie domain while the domain in use was ´example.com´ the second time it was due to a not available compression format within the redis config.

Answer 2

This error is because of Admin session time is over.

To avoid this error You can increase the session time of Admin user. With the following step...

Stores > Configuration > Advance > Admin > security

Change the value of "Admin Session Lifetime (seconds)" field

Answer 3

Just clear browser cookies and all done.

Answer 4

After changing url: please logout and run these commands from SSH as follows:

1. php bin/magento cache:flush
2. php bin/magento indexer:reindex

3. php bin/magento setup:upgrade
4. php bin/magento setup:di:compile 
5. php bin/magento setup:static-content:deploy

then Login to admin and check..

Answer 5

Magento Community Ver. 2.2.3

Struggled a lot. I tried to remove caches, pub/static/ files, and sessions.

But the solution was very easy. Go to magento_root/app/etc/ then open file env.php

Change below frontName xxxxxx with what you want

return array ( 'backend' => array ( 'frontName' => 'xxxxxx', ),

It worked.