Order Reject via API: Canceled: Order had ordType of Market\nSubmitted via API.

[ManuCN]

Hi all,
I tried to submit a market order using the API. It got cxld with the message above. Any idea whats the issue here? I tried to submit the same order again using the API and it worked...
Thanks a lot!
Manuel

Below is the return value of the order function call:
{'orderID': 'c050ff21-724e-4066-8ad2-c058d69606f1',
'clOrdID': '',
'clOrdLinkID': '',
'account': 405604.0,
'symbol': 'AVAXUSDT',
'side': 'Sell',
'simpleOrderQty': None,
'orderQty': 6000.0,
'price': 15.527,
'displayQty': None,
'stopPx': None,
'pegOffsetValue': None,
'pegPriceType': '',
'currency': 'USDT',
'settlCurrency': 'USDt',
'ordType': 'Market',
'timeInForce': 'GoodTillCancel',
'execInst': '',
'contingencyType': '',
'exDestination': 'XBME',
'ordStatus': 'Canceled',
'triggered': '',
'workingIndicator': 0.0,
'ordRejReason': '',
'simpleLeavesQty': None,
'leavesQty': 0.0,
'simpleCumQty': None,
'cumQty': 0.0,
'avgPx': None,
'multiLegReportingType': 'SingleSecurity',
'text': 'Canceled: Order had ordType of Market\nSubmitted via API.',
'transactTime': '2022-10-19T19:35:15.680Z',
'timestamp': '2022-10-19T19:35:15.680Z'}