Boards are not containers for issues, projects are. A board is a view of a set of issues you choose to include. The board filter defines what is on it.
It can look like a "move" if you have boards with contrary filters - for example, if you have board 1 with a filter of "issue type = bug" and board 2 with a filter of "issue type != bug", then an issue will appear to "move from one board to another" if you change it's issue type from bug to others, or back in the other direction.
But the issue is not moving. You're just changing the data that lets the board select it.
Have a look at the two board's filters to see what you need to change to get it to appear on one board and vanish from another.
I’m a designer on the Jira team. For a long time, I’ve fielded questions from other designers about how they should be using Jira Software with their design team. I’ve also heard feedback from other ...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs