This video helps you in resolving the real time issues with Database Master Key. Whenever we are performing Migration on the database where column level encryption is in place and we have a situation where password is not there with DBA or APP teams. Also whenever a database gets failed over from primary to secondary replica in always on we will encounter the same error message.
Please create a master key in the database or open the master key in the session before performing this operation.
you don't need to regenerate or force it. you can use the technique that I am showing in this video