After canceling the creation of a New Task with the escape button, a smaller New Task window was created in the bottom right of my screen and the UI froze (I was creating multiple tasks in a row and wanted to close the New Task window once I was done).
Refreshing, redirecting or re-opening the browser had no affect as every time I reloaded the Kanban board the smaller New Task window opens up and freezes the UI.
Looking at the Chrome's developer console shows an infinite/non-stopping error loop:
