diff --git a/services/editor/apps/web/src/components/editor/Timeline.tsx b/services/editor/apps/web/src/components/editor/Timeline.tsx
index 2b66f4e..317b02d 100644
--- a/services/editor/apps/web/src/components/editor/Timeline.tsx
+++ b/services/editor/apps/web/src/components/editor/Timeline.tsx
@@ -486,13 +486,14 @@ export const Timeline: React.FC = () => {
     return () => document.removeEventListener("mouseup", handleMouseUp);
   }, [isBoxSelecting, handleBoxSelectionEnd]);
 
+  // Returns the ActionResult so callers can check success and surface errors
   const handleDropMedia = useCallback(
     async (trackId: string, mediaId: string, startTime: number) => {
       const { addClip, addClipToNewTrack } = useProjectStore.getState();
       if (trackId) {
-        await addClip(trackId, mediaId, startTime);
+        return addClip(trackId, mediaId, startTime);
       } else {
-        await addClipToNewTrack(mediaId, startTime);
+        return addClipToNewTrack(mediaId, startTime);
       }
     },
     [],
@@ -1078,9 +1079,14 @@ export const Timeline: React.FC = () => {
                 if (!rawData) return;
                 const data = JSON.parse(rawData);
                 if (!data?.mediaId) return;
-                handleDropMedia("", data.mediaId, snappedTime);
-              } catch {
-                // ignore
+                const result = await handleDropMedia("", data.mediaId, snappedTime);
+                if (result && !result.success) {
+                  console.error("[Timeline] Failed to add clip to timeline:", result.error);
+                  toast.error("Failed to add clip to timeline", result.error?.message ?? "");
+                }
+              } catch (err) {
+                console.error("[Timeline] Drop error:", err);
+                toast.error("Failed to add clip to timeline", String(err));
               }
             }}
           >