The database is still in MySQL 5.6 format which needs to be upgraded to MySQL 5.7 before you can upgrade to MySQL 8.
Down the containers and follow this: Xibo CMS 2.3.10 Released - #2 by alex
Bring them up again and that should fix it.
The database is still in MySQL 5.6 format which needs to be upgraded to MySQL 5.7 before you can upgrade to MySQL 8.
Down the containers and follow this: Xibo CMS 2.3.10 Released - #2 by alex
Bring them up again and that should fix it.