Call to a member function getTotal() on null - by cron background job

[ufgum]

Steps to reproduce

open the log

Error Call to a member function getTotal() on null
Cron mail sync failed for account x

`

Error Call to a member function getTotal() on null

/home/www/nextcloud/apps/mail/lib/IMAP/MailboxSync.phpZeile 145

OCA\Mail\IMAP\MailboxSync->syncMailboxStatus(
  "*** sensitive parameters replaced ***"
)

/home/www/nextcloud/apps/mail/lib/BackgroundJob/SyncJob.phpZeile 109

OCA\Mail\IMAP\MailboxSync->sync(
  "*** sensitive parameters replaced ***"
)

/home/www/nextcloud/lib/public/BackgroundJob/Job.phpZeile 81

OCA\Mail\BackgroundJob\SyncJob->run()

/home/www/nextcloud/lib/public/BackgroundJob/TimedJob.phpZeile 102

OCP\BackgroundJob\Job->start()

/home/www/nextcloud/lib/public/BackgroundJob/TimedJob.phpZeile 92

OCP\BackgroundJob\TimedJob->start()

/home/www/nextcloud/cron.phpZeile 152

OCP\BackgroundJob\TimedJob->execute()`

`

Expected behavior

mail:account:sync should be executed by cron-job, to be able to open large mail folders.

Actual behavior

I need to execute occ sync by hand for each account, bevore to be able to open the mail APP:

sudo -u www-data php8.1 /www/nextcloud/occ mail:account:sync 1
sudo -u www-data php8.1 /www/nextcloud/occ mail:account:sync 2
sudo -u www-data php8.1 /www/nextcloud/occ mail:account:sync 3

Mail app version

3.6.0

Mailserver or service

dovecot on same machine

Operating system

debia 12

PHP engine version

PHP 8.1

Web server

Apache (supported)

Database

MariaDB

Additional info

No response