diff --git a/.changeset/hip-jars-report.md b/.changeset/hip-jars-report.md
new file mode 100644
index 0000000000..f66e91d583
--- /dev/null
+++ b/.changeset/hip-jars-report.md
@@ -0,0 +1,5 @@
+---
+"@lynx-js/react": patch
+---
+
+Optimize the error message when snapshots cannot be found in the main thread.
diff --git a/packages/react/runtime/__test__/snapshotPatch.test.jsx b/packages/react/runtime/__test__/snapshotPatch.test.jsx
index 8c498ef6ff..7ce1c0b7b5 100644
--- a/packages/react/runtime/__test__/snapshotPatch.test.jsx
+++ b/packages/react/runtime/__test__/snapshotPatch.test.jsx
@@ -1315,3 +1315,17 @@ describe('list', () => {
     `);
   });
 });
+
+describe('missing snapshot', () => {
+  beforeEach(() => {
+    initGlobalSnapshotPatch();
+  });
+
+  it('should throw error when missing snapshot', () => {
+    const bsi1 = new BackgroundSnapshotInstance('missing-snapshot');
+    let patch;
+    patch = takeGlobalSnapshotPatch();
+    expect(patch.length).toMatchInlineSnapshot(`3`);
+    expect(() => snapshotPatchApply(patch)).toThrowError('Snapshot not found: missing-snapshot');
+  });
+});
diff --git a/packages/react/runtime/src/snapshot.ts b/packages/react/runtime/src/snapshot.ts
index 51f63f864a..53d1b51d27 100644
--- a/packages/react/runtime/src/snapshot.ts
+++ b/packages/react/runtime/src/snapshot.ts
@@ -275,6 +275,10 @@ export class SnapshotInstance {
 
   constructor(public type: string, id?: number) {
     this.__snapshot_def = snapshotManager.values.get(type)!;
+    // Suspense uses 'div'
+    if (!this.__snapshot_def && type !== 'div') {
+      throw new Error('Snapshot not found: ' + type);
+    }
 
     id ||= snapshotInstanceManager.nextId -= 1;
     this.__id = id;