Lost UID after updating to OC10

Hi everyone!
I use OC9 (9.1.8) but now I decided to update to OC10. I used official document about upgrading( Enter maintenance - update php to 7.3 - install OC 10.8.0 - Upgrade tables - exit maintenance)

After that I can login in by local user. But I’ve lost all users (In Web UI I see only UID without names) in log I see that:

{“reqId”:“YTiKvCsoM0uYBp0yZkMLlgAAAAI”,“level”:3,“time”:“2021-09-08T10:04:44+00:00”,“remoteAddr”:“192.168.0.20”,“user”:“admin”,“app”:“OC\Files\Filesystem”,“method”:“PROPFIND”,“url”:"/remote.php/dav/files/admin/",“message”:“Backends provided no user object for 9AFA180A-E7EE-439A-AA9B-E2C92C34A8AC”}
{“reqId”:“YTiKvEDvD-RZIvNR0@qLTQAAAAg”,“level”:3,“time”:“2021-09-08T10:04:44+00:00”,“remoteAddr”:“192.168.0.20”,“user”:“admin”,“app”:“OC\Files\Filesystem”,“method”:“GET”,“url”:"/index.php/cron",“message”:“Backends provided no user object for 9AFA180A-E7EE-439A-AA9B-E2C92C34A8AC”}
{“reqId”:“YTiKvpxuYUsswTdCc2q52gAAAAE”,“level”:3,“time”:“2021-09-08T10:04:46+00:00”,“remoteAddr”:“192.168.0.20”,“user”:“admin”,“app”:“OC\Files\Filesystem”,“method”:“PROPFIND”,“url”:"/remote.php/dav/files/admin/%D0%9D%D0%9F%D0%90%20%D0%B8%20%D0%92%D0%9D%D0%94",“message”:“Backends provided no user object for 9AFA180A-E7EE-439A-AA9B-E2C92C34A8AC”}
{“reqId”:“YTiKvkDvD-RZIvNR0@qLTgAAAAg”,“level”:3,“time”:“2021-09-08T10:04:46+00:00”,“remoteAddr”:“192.168.0.20”,“user”:“admin”,“app”:“OC\Files\Filesystem”,“method”:“PROPFIND”,“url”:"/remote.php/dav/files/admin/%D0%9D%D0%9F%D0%90%20%D0%B8%20%D0%92%D0%9D%D0%94",“message”:“Backends provided no user object for 9AFA180A-E7EE-439A-AA9B-E2C92C34A8AC”}
{“reqId”:“YTiKvkDvD-RZIvNR0@qLTwAAAAg”,“level”:3,“time”:“2021-09-08T10:04:46+00:00”,“remoteAddr”:“192.168.0.20”,“user”:“admin”,“app”:“OC\Files\Filesystem”,“method”:“GET”,“url”:"/ocs/v2.php/apps/files_sharing/api/v1/shares?format=json&path=%2F%D0%9D%D0%9F%D0%90%20%D0%B8%20%D0%92%D0%9D%D0%94&reshares=true",“message”:“Backends provided no user object for 9AFA180A-E7EE-439A-AA9B-E2C92C34A8AC”}

Please, check information about the occ user:sync command. See Using the occ Command :: ownCloud Documentation . There is an option to sync DB users specially after the upgrade.

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