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Moodle 3.9 Upgrade Error: Licenses
When upgrading an existing Moodle instance to 3.9.0, you may encounter an error regarding the license database not existing.
Find the following file:
/lib/licenselib.php
Around line 232, beginning with "$records", comment line 232 to 241.
Proceed to upgrade Moodle.
After a successful upgrade, uncomment these lines.