This happened once yesterday, I don't see any previous occurrences of this error.
Error: UNKNOWN missing essential contribution tracking ID. Dropping message on floor.{"id":"","contribution_id":"46919107","source_name":"CiviCRM","source_type":"direct","source_host":"civi1001","source_run_id":6389,"source_version":"80a0d22350c72ab09d75e0ca5c3ff9dd27ec5fe6","source_enqueued_time":1592946543} -- Warning, throwing an unknown exception: "25" Source: array ( )
Paypal
cid: 34523644
contribution id: 46919107