Did you make sure to follow this version of the upgrade guide since you are upgrading from a 2.x release? https://docs.mattermost.com/administration/legacy-upgrade.html#upgrade-team-edition-to-3-0-x
↧
Did you make sure to follow this version of the upgrade guide since you are upgrading from a 2.x release? https://docs.mattermost.com/administration/legacy-upgrade.html#upgrade-team-edition-to-3-0-x