The Upgrade Wizard shows me this error by trying to procced the step " Migrate backend users’ selected UI languages to new format.":
Doctrine\DBAL\Exception\DriverException
An exception occurred while executing ‘UPDATE be_users
SET lang
= ? WHERE uid
= ?’ with params [“default”, 1]: Data too long for column ‘lang’ at row 1
(2/2) Doctrine\DBAL\Driver\Mysqli\Exception\StatementError
Data too long for column ‘lang’ at row 1
Any suggestions to this error message?