CoolDownCategory.Consumable = 16384;

Colors.Consumable = 16384;

    col = PengorosPlugins.Utils.CoolDownCategory.Consumable;
    self.colors[col] = {};
    self.colors[col].remaining = {a=255, r=128, g=128, b=128};
    self.colors[col].elapsed = {a=102, r=128, g=128, b=128};

self.version = 13;

    if (self.version == 12) then
        for i = 1, table.getn(self.windows) do
            local win = self.windows[i];
            win.colors[Colors.Consumable] = {};
            win.colors[Colors.Consumable].remaining = {a=255, r=128, g=128, b=128};
            win.colors[Colors.Consumable].elapsed = {a=102, r=128, g=128, b=128};
		end

        self:Migrate(13);
        save = true;
    end

...ugins\PengorosPlugins\BuffBars\EffectBarSettings.lua:139: attempt to index field '?' (a nil value)

-- encode numbers as strings if necessary for the client to save properly
function EncodeNumbers(object)
    local lookup_table = {};
    local function _encode(object)
        if (type(object) == "number") then
            return ("<num>%f</num>"):format(object);
        elseif (type(object) ~= "table") then
            return object;
        elseif (lookup_table[object]) then
            return lookup_table[object];
        end
        local new_table = {};
        lookup_table[object] = new_table;
        for index, value in pairs(object) do
            new_table[_encode(index)] = _encode(value);
        end
        return setmetatable(new_table, getmetatable(object));
    end
    return _encode(object);
end

-- decode numbers encoded as strings
function DecodeNumbers(object)
    local lookup_table = {};
    local function _decode(object)
        if (type(object) == "string") then
            local match = object:match("<num>(%d+.%d+)</num>");
            if (match ~= nil) then
                if (tonumber("1,000")==1) then
                    return tonumber((string.gsub(match,"%.",",")));
                else
                    return tonumber((string.gsub(match,",",".")));
                end
            else
                return object;
            end
        elseif (type(object) ~= "table") then
            return object;
        elseif lookup_table[object] then
            return lookup_table[object];
        end
        local new_table = {};
        lookup_table[object] = new_table;
        for index, value in pairs(object) do
            new_table[_decode(index)] = _decode(value);
        end
        return setmetatable(new_table, getmetatable(object));
    end
    return _decode(object);
end