Error occured during a load test with JMeter.

[tarou-yamamoto]

When running a load test of 600 transactions per minute, the following error occurred.
Is it because the worker is running in a single thread?

23:58:02 ERROR call_client] Work order get result failed {‘error’: {‘code’: 2, ‘message’: ‘Work order Id not found in the database. Hence invalid parameter’, ‘data’: {‘workOrderId’: ‘26a436353da・・・'}}, 'id': 34, 'jsonrpc': '2.0'}