Ticket closing after entity change

If I change an entity on a new ticket from a ‘Select Entity’ department the ticket automatically closes.

I can’t see what is causing this.

After the ticket is closed I can change the entity without the ticket closing again which is how I would expect it to behave.

I then tried saving the new ticket before changing the entity but it still closes automatically

Here is a snip of the debugger. I can’t see what is causing the ticket to close. Is this default behaviour?

If you extend the drop downs it offers additional info about the automation.

Its just the default rules executing