It indicates the size of the database column is not enough to store the inventory data. The length of the column needs to be increased. For detail steps please refer to this Community document:
After resolving the issue on your side, please log a ticket with your regional LANDesk support center, so that we can make the appropriate change on our side as well.
That way, when you next upgrade to version "WhateverComesNext" you won't run into this again :).
LANDesk EMEA Technical Lead.