check the session path configured in app/etc/env.php
'session' => [
'save' => 'files',
'save_path' => '/var/php/session/',
],
and make sure save_path has proper permission and ownership
check the session path configured in app/etc/env.php
'session' => [
'save' => 'files',
'save_path' => '/var/php/session/',
],
and make sure save_path has proper permission and ownership