Merge pull request #3042 from remotion-dev/fix-studio-crash-due-to-co…

…nditional-showintimeline-prop

Former-commit-id: 709268a [formerly c79e3cb]
Former-commit-id: 94ccec44fe94a9ee5e7377b3cf65099be40aaa3f [formerly 0ce29da]
Former-commit-id: 54833fe

packages/cli/src/editor/components/Timeline/is-collapsed.ts

@@ -25,6 +25,12 @@ export const isTrackHidden = (
 		(t) => t.sequence.id === track.sequence.parent,
 	) as TrackWithHash;
 
+	// Due to effects and conditional `showInTimeline`, a parent
+	// may not exist in the `allTracks` array.
+	if (!parent) {
+		return true;
+	}
+
 	if (isTrackCollapsed(parent.hash, viewState)) {
 		return true;
 	}

packages/cli/src/editor/helpers/get-timeline-sequence-sort-key.ts

@@ -33,7 +33,9 @@ export const getTimelineSequenceSequenceSortKey = (
 
 	const parent = tracks.find((t) => t.sequence.id === track.sequence.parent);
 	if (!parent) {
-		throw new Error('Cannot find parent');
+		// Due to effects and conditional `showInTimeline`, a parent
+		// may not exist in the `allTracks` array.
+		return id;
 	}
 
 	const firstParentWithSameHash = tracks.find((a) => {