When a builder is working on another email, it locks out other builders from editing it to prevent any unwanted changes to the email.
The editor will become unlocked:
When a person leaves the page or refreshes it
If the builder does not interact with the 'Create' part of the builder for more than 60 seconds.
Need more help? Contact support via live chat within Knak using the chat bubble in the bottom right corner or email firstname.lastname@example.org