File: contracts\core\VoterUpgradeableV2.sol
323:         externalBribe = IBribeFactory(bribeFactoryCache).createBribe(token0, token1, string.concat("Fenix Bribes: ", symbol));
324:         gauge = IGaugeFactory(v2GaugeFactory).createGauge(
325:             token,
326:             votingEscrow,
327:             pool_,
328:             address(this),
329:             internalBribe,
330:             externalBribe,
331:             true,
332:             feeVault
333:         );
File: contracts\gauges\GaugeFactoryUpgradeable.sol
    function createGauge(
        address _rewardToken,
        address _ve,
        address _token,
        address _distribution,
        address _internal_bribe,
        address _external_bribe,
        bool _isDistributeEmissionToMerkle,
        address _feeVault
    ) external virtual override returns (address) {
        require(msg.sender == voter || msg.sender == owner(), "only voter or owner");

        address newLastGauge = address(new GaugeProxy());
        IGauge(newLastGauge).initialize(
            defaultBlastGovernor,
            _rewardToken,
            _ve,
            _token,
            _distribution,
            _internal_bribe,
            _external_bribe,
            _isDistributeEmissionToMerkle,
            merklGaugeMiddleman,
            _feeVault
        );

        last_gauge = newLastGauge;

        return newLastGauge;
    }
-       gauge = IGaugeFactory(v2GaugeFactory).createGauge(
+       gauge = IGaugeFactory(v3GaugeFactory).createGauge(
            token,
            votingEscrow,
            pool_,
            address(this),
            internalBribe,
            externalBribe,
            true,
            feeVault
        );
