Column not found Nextcloud Phonetrack

Hello,

Nextcloud 17.0.2 Phontrack 0.6.1

The Issue in the Nextcloud-Log:

Doctrine\DBAL\Exception\InvalidFieldNameException: An exception occurred while executing ' SELECT name, user, public, locked FROM oc_phonetrack_sessions WHERE token=? ' with params ["7ad2f7a2ae1939d7ed84b6b9a0834a11"]: SQLSTATE[42S22]: Column not found: 1054 Unknown column 'locked' in 'field list'

Please help me

Thank You