kims79's post in [Down board]Cannot be updated was marked as the answer
September 20, 2021
Hello,
After multiple attempts, the problem seems to be solved, the software telling me that the sessions were not activated when they were.
It also generated an error in the stack:
#0 /var/www/vhosts/fallout-generation.com/httpdocs/applications/core/modules/admin/system/upgrade.php(540): IPS\core\modules\admin\system\_upgrade->_getDownloadKey()
#1 /var/www/vhosts/fallout-generation.com/httpdocs/system/Helpers/Wizard/Wizard.php(181): IPS\core\modules\admin\system\_upgrade->_login()
#2 /var/www/vhosts/fallout-generation.com/httpdocs/applications/core/modules/admin/system/upgrade.php(109): IPS\Helpers\_Wizard->__toString()
#3 /var/www/vhosts/fallout-generation.com/httpdocs/system/Dispatcher/Controller.php(101): IPS\core\modules\admin\system\_upgrade->manage()
#4 /var/www/vhosts/fallout-generation.com/httpdocs/applications/core/modules/admin/system/upgrade.php(54): IPS\Dispatcher\_Controller->execute()
#5 /var/www/vhosts/fallout-generation.com/httpdocs/system/Dispatcher/Dispatcher.php(153): IPS\core\modules\admin\system\_upgrade->execute()
#6 /var/www/vhosts/fallout-generation.com/httpdocs/admin_fogen/index.php(13): IPS\_Dispatcher->run()
#7 {main}