Create create-error.tsx

pages/create-error.tsx

+export default function CreateError() {
+  return (
+    <div>
+      <button
+        onClick={() => {
+          if (window.confirm('Cause an error?')) {
+            throw Error('You caused an error!')
+          }
+        }}
+      >
+        Create an Error
+      </button>
+    </div>
+  )
+}