All problems
TMKR-4006
Warning
Vendor
A change request is already pending
A new config or symbol change was requested while a previous one for the same session is still being applied.Session & heartbeat•Also known as: PENDING_REQUEST_EXISTS, pending-request-exists
Symptoms
API response error_code: PENDING_REQUEST_EXISTS (HTTP 409).
Causes
Two change requests were issued back-to-back before the first was acknowledged in a heartbeat.
How to fix it
1
Wait for acknowledgementSend one change request at a time and wait for the product to report the result on its next heartbeat before issuing the next one.