BadRequest: binanceusdm {"code":-4003,"msg":"Quantity less than zero."}

BadRequest: binanceusdm {“code”:-4003,“msg”:“Quantity less than zero.”}

need help to overcome/solve this issue…

wondering why bots unable to straight use USDT to open trade… is it the the auto convert to the particular coin that caused this error?

what’s the qty sent in the request?