command-line run sample_pendulum.cfg prompt error

[hellogit2021]

1.KELP GUI:OK
2.command-line buysell strategy:OK
3.command-line pendulum and sell_swap :NG

below is error msg

2021/10/30 13:07:11 PRICE_TOLERANCE: 0.001
2021/10/30 13:07:11 AMOUNT_TOLERANCE: 1
2021/10/30 13:07:11 AMOUNT_BASE_BUY: 100
2021/10/30 13:07:11 AMOUNT_BASE_SELL: 100
2021/10/30 13:07:11 SPREAD: 0.001
2021/10/30 13:07:11 MAX_LEVELS: 2
2021/10/30 13:07:11 SEED_LAST_TRADE_PRICE: 0.066
2021/10/30 13:07:11 MAX_PRICE: 0.07
2021/10/30 13:07:11 MIN_PRICE: 0.062
2021/10/30 13:07:11 MIN_BASE: 0
2021/10/30 13:07:11 MIN_QUOTE: 0
2021/10/30 13:07:11 LAST_TRADE_CURSOR:
2021/10/30 13:07:11 validating trustlines...
2021/10/30 13:07:13 trustlines valid
2021/10/30 13:07:13 Starting the trader bot...
2021/10/30 13:07:13 ----------------------------------------------------------------------------------------------------
2021/10/30 13:07:14 synchronized state loading is disabled
2021/10/30 13:07:14 (base) assetA=native, maxA=10998.99961990, trustA=math.MaxFloat64
2021/10/30 13:07:14 (quote) assetB=COUPON:GBMMZMK2DC4FFP4CAI6KCVNCQ7WLO5A7DQU7EC7WGHRDQBZB763X4OQI, maxB=647.05406200, trustB=922337203685.47753906
2021/10/30 13:07:14 orderConstraints for trading pair XLM/COUPON: OrderConstraints[PricePrecision: 7, VolumePrecision: 7, MinBaseVolume: 0.0000001, MinQuoteVolume: ]
2021/10/30 13:07:14 liabilities after resetting
2021/10/30 13:07:14 asset=base , balance=10998.99961990, trust=math.MaxFloat64, minAccountBal=21.50000000, buyingLiabilities=0.00000000, sellingLiabilities=0.00000000
2021/10/30 13:07:15 asset=quote , balance=647.05406200, trust=922337203685.47753906, minAccountBal=0.64705406, buyingLiabilities=0.00000000, sellingLiabilities=0.00000000
2021/10/30 13:07:15 levels couldn't be loaded: error in fetchLatestTradePrice: error in tradeFetcher.GetTradeHistory: error while fetching trades in SDEX (cursor=): json: cannot unmarshal string into Go struct field Price._embedded.records.price.n of type int32
2021/10/30 13:07:15 levels couldn't be loaded: error in fetchLatestTradePrice: error in tradeFetcher.GetTradeHistory: error while fetching trades in SDEX (cursor=): json: cannot unmarshal string into Go struct field Price._embedded.records.price.n of type int32
2021/10/30 13:07:15 errors on both sides: buying (= error in fetchLatestTradePrice: error in tradeFetcher.GetTradeHistory: error while fetching trades in SDEX (cursor=): json: cannot unmarshal string into Go struct field Price._embedded.records.price.n of type int32) and selling (= error in fetchLatestTradePrice: error in tradeFetcher.GetTradeHistory: error while fetching trades in SDEX (cursor=): json: cannot unmarshal string into Go struct field Price._embedded.records.price.n of type int32)
2021/10/30 13:07:15 not deleting any offers because deleteCyclesThreshold is negative
2021/10/30 13:07:15 time taken for update loop: 2843 millis
2021/10/30 13:07:16 metric - successfully sent event metric of type 'update_offers'
2021/10/30 13:07:16 ----------------------------------------------------------------------------------------------------
2021/10/30 13:07:16 sleeping for 4m56.8384413s...

Your Environment

kelp version: v1.11.0 (kelp-v1.11.0-linux-amd64.tar)
OS;WIN 10
CPU:INTEL