Unhandled Runtime Error

[tianhuzong]

TypeError: events.findLast is not a function
pages/index.js (44:29) @ _callee$

42 |
43 | const prompt = e.target.prompt.value;

44 | const lastImage = events.findLast((ev) => ev.image)?.image;
| ^
45 |
46 | setError(null);
47 | setIsProcessing(true);