{"argv":["order","--action","place","--category","USDT-FUTURES","--symbol","METAUSDT","--side","sell","--orderType","market","--qty","1.7","--clientOid","sa25e56ed004c6d7bc9b171fc97b38d3","--posSide","long","--paper-trading"],"at":"2026-09-28T11:43:57.547626+00:00","duration_ms":375,"exit_code":1,"note":"bgc","stderr":{"error":{"category":"unknown","code":"400","endpoint":"POST /api/v3/trade/place-order","message":"HTTP 400 from Bitget: Parameter METAUSDT_UMCBL does not exist","retryable":false,"suggestion":"Retry later or verify endpoint parameters.","type":"BitgetApiError"},"ok":false,"timestamp":"2026-09-28T11:43:55.251Z"},"stdout":null}