The hub requires a few extra tables in the qepAuditDB database.
mysql -u shrine -pdemouser qepAuditDB < shrine-setup/hub/sql/mysql.ddl
Sign into MySQL as root and grant the shrine user full access again to all of these databases and their tables:
$ mysql -u root
MariaDB [(none)]> GRANT ALL privileges ON *.* TO 'shrine'@'localhost';
MariaDB [(none)]> FLUSH PRIVILEGES;
MariaDB [(none)]> \q