Hi,
We have upgraded our AWS RDS Hosted environment to 5.1.4 and a dynamic action is no longer firing when a button is pressed. I have added a new button to the region with a simple dynamic action which should pop up an alert box. This does nothing, however when I create a new page and region and create exactly the same button there it works as expected.
The Button

The region

The dynamic action

If someone would be kind enough to help me troubleshoot this issue, I would be most grateful.
Regards
Ralph