Update 7.5.6-to-8.0.6 / Error 500

[rucrm]

Hello, pls
111@hostde26 ~]$ /usr/local/bin/php /home/i111/public_html/crm/upgrade.php /home/i111/public_html/crm/update/update2.zip
Current version is 7.5.6
Starting upgrade process...
Upgrade is complete. Current version is 8.0.6.

[2024-01-09 06:25:04] ERROR: (0) System user is not found.; GET /Settings; line: 72, file: /home/i111/public_html/crm/application/Espo/Core/ApplicationUser.php
[2024-01-09 06:25:04] ERROR: (0) System user is not found.; GET /I18n; line: 72, file: /home/i111/public_html/crm/application/Espo/Core/ApplicationUser.php

Updated 7.5.6-to-8.0.6 but have Error 500
What could be the problem?

[rucrm]

Solution:
rebuild.php