fix

packages/svelte/src/internal/client/reactivity/deriveds.js

@@ -180,18 +180,21 @@ export function async_derived(fn, location) {
 			(e) => {
 				prev = null;
 
-				if (e === STALE_REACTION) {
+				if (e !== STALE_REACTION) {
+					handle_error(e, parent, null, parent.ctx);
+				}
+
 				if (should_suspend) {
-						// TODO this feels asymmetrical though it seems to work?
 					if (!ran) {
 						boundary.decrement();
 					} else {
-							batch.remove();
+						batch.decrement();
 					}
 				}
-				} else {
-					handle_error(e, parent, null, parent.ctx);
-					batch.remove();
+
+				if (ran) {
+					batch.restore();
+					batch.flush();
 				}
 			}
 		);