Exception error: {encode_expr_todo,'-'} about aesophia_http HOT 8 CLOSED

curl 'https://latest.compiler.aepps.com/decode-call-result' \
-XPOST \
-H 'Accept: application/json, text/plain, */*' \
-v -H 'Content-Type: application/json' \
-H 'Origin: https://contracts.aepps.com' \
-H 'Referer: https://contracts.aepps.com/' \
--data-binary '{"function":"getMapNegative","source":"contract MapTest =\n    record state = { tMap : map(int, int) }\n\n    stateful entrypoint init() = { tMap = {} }\n\n    entrypoint getMapPositive(index: int) =\n      state.tMap[index = 5]\n\n    entrypoint getMapNegative(index: int) =\n      state.tMap[index = -5]","call-result":"ok","call-value":"cb_igCOSxs=","options":{"backend":"fate","clientTtl":1,"nameTtl":50000,"deposit":0,"gasPrice":1000000000,"amount":0,"gas":1000000,"options":"","dryRunAccount":{"pub":"ak_11111111111111111111111111111111273Yts","amount":"100000000000000000000000000000000000"},"queryFee":30000,"oracleTtl":{"type":"delta","value":500},"queryTtl":{"type":"delta","value":10},"responseTtl":{"type":"delta","value":10},"skipArgsConvert":false,"skipTransformDecoded":false,"callStatic":false,"top":null,"waitMined":true,"verify":false,"filesystem":{},"owner":"ak_2bKhoFWgQ9os4x8CaeDTHZRGzUcSwcXYUrM12gZHKTdyreGRgG","code":"contract MapTest =\n    record state = { tMap : map(int, int) }\n\n    stateful entrypoint init() = { tMap = {} }\n\n    entrypoint getMapPositive(index: int) =\n      state.tMap[index = 5]\n\n    entrypoint getMapNegative(index: int) =\n      state.tMap[index = -5]","fee":null,"callData":"","file_system":{}}}'

contract MapTest =

    record state = { tMap : map(int, int) }

    stateful entrypoint init() = { tMap = {} }

    entrypoint getMapPositive(index: int) =
        state.tMap[index = 5]

    entrypoint getMapNegative(index: int) =
        state.tMap[index = -5]