Screenshots

Version

CDN: v4.10.0

Describe the bug

Error occurs when store.dispatch() is used to send a SEND_EVENT, SEND_POST_BACK, or SEND_MESSAGE_BACK activity and activityMiddleware is also utilized.

Steps to reproduce

1. Run the 05.custom-components/c.user-highlighting MockBot located in the sample.
2. Type "herocard" into the send box
3. Click the "postBack" button
4. See error

Expected behavior

No error should occur with dispatch and activityMiddleware functioning, as expected.

[Bug]