Core Error: SessionHandler::open(): Cannot call default session handler after Manuale Upgrade from 1.7.8.10 to 1.7.8.11 using PHP7.4 about prestashop HOT 3 CLOSED

Some more info with php 8.1 (i know its not supported):

in StrictSessionHandler.php line 40
at SessionHandler->open()
in StrictSessionHandler.php line 40
at StrictSessionHandler->open()
in SessionHandlerProxy.php line 43
at SessionHandlerProxy->open()
at session_start()
in NativeSessionStorage.php line 154
at NativeSessionStorage->start()
in Session.php line 57
at Session->start()
in SessionTokenStorage.php line 78
at SessionTokenStorage->hasToken()
in CsrfTokenManager.php line 72
at CsrfTokenManager->getToken()
in Router.php line 64
at Router->generate()
in Link.php line 844
at LinkCore->getAdminLink()
in AdminController.php line 2734
at AdminControllerCore->setMedia()
in AdminDashboardController.php line 44
at AdminDashboardControllerCore->setMedia()
in Controller.php line 291
at ControllerCore->run()
in Dispatcher.php line 525
at DispatcherCore->dispatch()
in index.php line 93

Seem that only php7.2 work

from prestashop.

Hi @matteolavaggi

Thank for your report,
This issue is too technical for me, ping @PrestaShop/prestashop-core-developers, can someone please reproduce this issue ?

Thanks

from prestashop.

Problem with auto upgrade module are terrible difficult to debug. Suggest clean install and migration of db and module.

from prestashop.