        // Calculates share amount of fractions for the new vault based on the new total supply
        uint256 newTotalSupply = IVaultRegistry(registry).totalSupply(newVault);
        uint256 shareAmount = (balanceContributedInEth * newTotalSupply) /
            totalInEth;
            // Starts the buyout process
            IBuyout(buyout).start{value: proposal.totalEth}(_vault);
        State required = State.INACTIVE;
        if (current != required) revert IBuyout.InvalidState(required, current);
        proposal.oldFractionSupply = IVaultRegistry(registry).totalSupply(
            _vault
        );
        proposal.newFractionSupply = _newFractionSupply;
+       require(proposal.newFractionSupply > proposal.oldFractionSupply, ""); // reference version
