¿Por qué se producen estos errores con tanta frecuencia?

2020-08-04 11:59:33 Futures_Binance Error Sell ((390.5, 0): 400: {code:-4003, msg: Quantity less than zero.} 2020-08-04 11:59:30 Futures_Binance Error Sell ((390.6, 0): 400: {code:-4003, msg: Quantity less than zero.} 2020-08-04 11:59:28 Futures_Binance Error Sell ((390.5, 0): 400: {code:-4003, msg: Quantity less than zero.} 2020-08-04 11:59:26 Futures_Binance Error Sell ((390.5, 0): 400: {code:-4003, msg: Quantity less than zero.} 2020-08-04 11:59:23 Futures_Binance Error Sell ((390.5, 0): 400: {code:-4003, msg: Quantity less than zero.} 2020-08-04 11:59:21 Futures_Binance Error Sell ((390.5, 0): 400: {code:-4003, msg: Quantity less than zero.} 2020-08-04 11:59:19 Futures_Binance Error Sell ((390.5, 0): 400: {code:-4003, msg: Quantity less than zero.} 2020-08-04 11:59:17 Futures_Binance Error Sell ((390.5, 0): 400: {code:-4003, msg: Quantity less than zero.} 2020-08-04 11:59:14 Futures_Binance Error Sell ((390.5, 0): 400: {code:-4003, msg: Quantity less than zero.} 2020-08-04 11:59:12 Futures_Binance Error Sell ((390.5, 0): 400: {code:-4003, msg: Quantity less than zero.} 2020-08-04 11:59:10 Futures_Binance Error Sell ((390.5, 0): 400: {code:-4003, msg: Quantity less than zero.} El precio de venta de Binance es el precio de venta de Bitcoin. 2020-08-04 11:59:07 Futures_Binance Error Sell ((390.5, 0): 400: {code:-4003, msg: Quantity less than zero.} 2020-08-04 11:59:05 Futures_Binance error Sell ((390.7, 0): 400: {code:-4003, msg: Quantity less than zero.}

Tengo dinero en mi cuenta y no es un robot que aparece al principio, cuando comienza a funcionar normalmente, abrir y vender por un tiempo y aparecerá este canal.