Seeing Transaction errors after upgrading from 3.18.1-01 to 3.21.1-01

Hi ,

we are receiving “transactions with excessive retires in last hour” alerts and after checking the nexus.log it says Node already has an asset DB name=“component”

I’ve recently upgraded from 3.18.1-01 to 3.21.1-01. could someone guide me in the right direction as to what might be happening here.