Screen frozen after adding testnut mint

[swedishfrenchpress]

When I added the 'testnut' mint, my screen darkened, rendering the back button non-responsive. Currently, only the green plus icon at the bottom is interactive, leaving me trapped on this screen.

Smartphone: iPhone 12

Log which might be helpful:
LOG [20:00:01] [addMint] mint added {"insertId": 1, "rows": {"_array": [], "length": 0}, "rowsAffected": 1}