Error getAmountsOut

[JulioSarda]

Ethers Version
ethers@5.6.9

Hello !!

Error in "V2Router.getAmountsOut"

missing revert data in call exception; Transaction reverted without a reason string

Any suggestion Please ?

Thanks !!

Code:
...
import * as UniswapV2Router from "../../../abis/UniswapV2Router02.json";
...
export const getPriceOnUniV2 = async (
tokenIn: string,
tokenOut: string,
amountIn: BigNumber,
routerAddress: string
): Promise => {

const V2Router = new ethers.Contract(
routerAddress,
UniswapV2Router.abi,
maticProvider
);

errReport.warn("Luego Contrato Router");

errReport.warn("TokenIn: ",tokenIn)

errReport.warn("TokenOut: ",tokenOut)

errReport.warn("AmountIn: ",amountIn)

errReport.warn("Antes GetAmountsOut");

const amountsOut = await V2Router.getAmountsOut(1000, [tokenIn, tokenOut]);

errReport.warn("amountsOut; ",amountsOut);

errReport.warn("Luego GetAmountsOut");

if (!amountsOut || amountsOut.length !== 2) {

errReport.warn("Error GetAmountsOut");
  
return getBigNumber(0);

}

return amountsOut[1];
};

Log:

Errors
50:45.192] [WARN] error - Luego Contrato Router
[2022-07-03T09:50:45.194] [WARN] error - TokenIn: 0x2791bca1f2de4661ed88a30c99a7a9449aa84174
[2022-07-03T09:50:45.194] [WARN] error - TokenOut: 0x8f3cf7ad23cd3cadbd9735aff958023239c6a063
[2022-07-03T09:50:45.194] [WARN] error - AmountIn: BigNumber { _hex: '0x04a817c800', _isBigNumber: true }
[2022-07-03T09:50:45.194] [WARN] error - Antes GetAmountsOut
[2022-07-03T09:50:47.098] [WARN] error - Error en GetPrice: missing revert data in call exception; Transaction reverted without a reason string
[2022-07-03T09:

[JulioSarda]

Bug ?

Is it possible to install ethers 5.6.0 to test?

[JulioSarda]

I ressolve.