I run Z10 on my Binance account but have error as follows:

BCH/BTC 0.250 0 -> 3 (0.17442000 BTC)
!&symbol=BCHBTC&side=BUY&type=MARKET&newOrderRespType=FULL&quantity=3.0000&newClientOrderId=1554771582 {"code":-1121,"msg":"Invalid symbol."}
Error 075: (BCH/BTC::L) - can't open 1@0.058140 at 00:59:44

It seems the coin symbol BCH/BTC is not valid in Binance?