VmaPredict2.js (new)

[PGTART]

I'm unable to test and solve the issue for the moment i'm facing a (green) gekko error, for which i have no idea to solve.

Serving Gekko UI on http://localhost:3000/

<-- GET /favicon.ico
--> GET /favicon.ico 404 4ms -
<-- GET /api/imports
--> GET /api/imports 200 3ms 2b
<-- GET /api/gekkos
--> GET /api/gekkos 200 2ms 24b
<-- GET /api/apiKeys
--> GET /api/apiKeys 200 3ms 2b
<-- GET /api/exchanges
TypeError: checkFn is not a function
at RetryOperation._fn (G:\GreenGekko\gekko\exchange\exchangeUtils.js:21:5)
at RetryOperation.attempt (G:\GreenGekko\gekko\exchange\node_modules\retry\lib\retry_operation.js:112:8)
at retryInstance (G:\GreenGekko\gekko\exchange\exchangeUtils.js:20:13)
at G:\GreenGekko\gekko\exchange\wrappers\okex.js:654:24
at process._tickCallback (internal/process/next_tick.js:68:7)
at Function.module.exports.loopWhile (G:\GreenGekko\gekko\exchange\node_modules\deasync\index.js:70:11)
at Trader.getCapabilities (G:\GreenGekko\gekko\exchange\wrappers\okex.js:659:19)
at RetryOperation._fn (G:\GreenGekko\gekko\exchange\exchangeUtils.js:21:5)
at RetryOperation.attempt (G:\GreenGekko\gekko\exchange\node_modules\retry\lib\retry_operation.js:112:8)
at retryInstance (G:\GreenGekko\gekko\exchange\exchangeUtils.js:20:13)
at G:\GreenGekko\gekko\exchange\wrappers\okex.js:654:24
at process._tickCallback (internal/process/next_tick.js:68:7)
at Function.module.exports.loopWhile (G:\GreenGekko\gekko\exchange\node_modules\deasync\index.js:70:11)
at Function.Trader.getCapabilities (G:\GreenGekko\gekko\exchange\wrappers\okex.js:659:19)
at G:\GreenGekko\gekko\web\routes\exchanges.js:35:33
at Array.forEach (<anonymous>)
at Object.module.exports (G:\GreenGekko\gekko\web\routes\exchanges.js:22:13) at module.exports.next (<anonymous>)
at Object.dispatch (G:\GreenGekko\gekko\node_modules\koa-router\lib\router.js:334:5)
at dispatch.next (<anonymous>)
at onFulfilled (G:\GreenGekko\gekko\node_modules\co\index.js:65:19)

G:\GreenGekko\gekko>