Newest commit from Club559's github crashes

    public TileDesc(XElement elem)
    {
        CultureInfo ci = (CultureInfo)CultureInfo.CurrentCulture.Clone();
        ci.NumberFormat.CurrencyDecimalSeparator = ".";
        XElement n;
        ObjectType = (short)Utils.FromString(elem.Attribute("type").Value);
        ObjectId = elem.Attribute("id").Value;
        NoWalk = elem.Element("NoWalk") != null;
        if ((n = elem.Element("MinDamage")) != null)
        {
            MinDamage = Utils.FromString(n.Value);
            Damaging = true;
        }
        if ((n = elem.Element("MaxDamage")) != null)
        {
            MaxDamage = Utils.FromString(n.Value);
            Damaging = true;
        }
        if ((n = elem.Element("Speed")) != null)
            Speed = float.Parse(n.Value); //line 600
        Push = elem.Element("Push") != null;
        if (Push)
        {
            var anim = elem.Element("Animate");
            if (anim.Attribute("dx") != null)
                PushX = float.Parse(anim.Attribute("dx").Value, NumberStyles.Any, ci);
            if (elem.Attribute("dy") != null)
                PushY = float.Parse(anim.Attribute("dy").Value, NumberStyles.Any, ci);
        }
    }
}

    static void ProcessXml(Stream stream)
    {
        XElement root = XElement.Load(stream);
        foreach (var elem in root.Elements("Ground"))
        {
            short type = (short)Utils.FromString(elem.Attribute("type").Value);
            string id = elem.Attribute("id").Value;

            UsedIds.Add(type);

            TypeToId[type] = id;
            IdToType[id] = type;
            TypeToElement[type] = elem;

            TileDescs[type] = new TileDesc(elem); //line 215
        }
        foreach (var elem in root.Elements("Object"))
        {
            if (elem.Element("Class") == null) continue;
            string cls = elem.Element("Class").Value;
            short type = (short)Utils.FromString(elem.Attribute("type").Value);
            string id = elem.Attribute("id").Value;

            UsedIds.Add(type);

            TypeToId[type] = id;
            IdToType[id] = type;
            TypeToElement[type] = elem;

            if (cls == "Equipment" || cls == "Dye" || cls == "Pet")
            {
                ItemDescs[type] = new Item(elem);
                if (elem.Element("Shop") != null)
                {
                    XElement shop = elem.Element("Shop");
                    ItemShops[type] = shop.Element("Name").Value;
                    ItemPrices[type] = Utils.FromString(shop.Element("Price").Value);
                }
            }
            if (cls == "Character" || cls == "GameObject" || cls == "Wall" ||
                cls == "ConnectedWall" || cls == "CaveWall" || cls == "Portal")
                ObjectDescs[type] = new ObjectDesc(elem);
            if (cls == "Portal")
            {
                try
                {
                    PortalDescs[type] = new PortalDesc(elem);
                }
                catch (Exception e)
                {
                    Console.WriteLine("Error for portal: " + type + " id: " + id);
                    /*3392,1792,1795,1796,1805,1806,1810,1825 -- no location, assume nexus?* 
*  Tomb Portal of Cowardice,  Dungeon Portal,  Portal of Cowardice,  Realm Portal,  Glowing Portal of Cowardice,  Glowing Realm Portal,  Nexus Portal,  Locked Wine Cellar Portal*/
                }
            }

            XElement key = elem.Element("Key");
            if (key != null)
            {
                Keys.Add(type);
                KeyPrices[type] = Utils.FromString(key.Value);
            }
        }
        foreach (var elem in root.Elements("Dungeon"))
        {
            string name = elem.Attribute("name").Value;
            short portalid = (short)Utils.FromString(elem.Attribute("type").Value);

            IdToDungeon[portalid] = name;
            DungeonDescs[name] = new DungeonDesc(elem);
        }
    }

public class XmlDatas
{
    const int XML_COUNT = 36;

    public static bool behaviors = true;

    static string ds = Path.DirectorySeparatorChar.ToString();
    
    static XmlDatas()
    {
        ReadXmls(); //line 21
        Mods.InitMods(behaviors);
    }

    public static void DoSomething()
    { }

    public static void ReadXmls()
    {
        TypeToId = new Dictionary<short, string>();
        IdToType = new Dictionary<string, short>();
        IdToDungeon = new Dictionary<short, string>();
        KeyPrices = new Dictionary<short, int>();
        TypeToElement = new Dictionary<short, XElement>();
        TileDescs = new Dictionary<short, TileDesc>();
        ItemDescs = new Dictionary<short, Item>();
        ObjectDescs = new Dictionary<short, ObjectDesc>();
        PortalDescs = new Dictionary<short, PortalDesc>();
        DungeonDescs = new Dictionary<string, DungeonDesc>();

        ModTextures = new Dictionary<string, byte[]>();
        ItemIds = new Dictionary<string,short>();
        UsedIds = new List<short>();

        ItemPrices = new Dictionary<short, int>();
        ItemShops = new Dictionary<int, string>();

        Keys = new List<short>();

        Stream stream;
        for (int i = 0; i < XML_COUNT; i++)
        {
            stream = typeof(XmlDatas).Assembly.GetManifestResourceStream("db.data.dat" + i + ".xml");
            ProcessXml(stream); //line 54
        }

        stream = typeof(XmlDatas).Assembly.GetManifestResourceStream("db.data.item.xml");
        ProcessXml(stream);
        stream.Position = 0;
        using (StreamReader rdr = new StreamReader(stream))
            ExtraXml.Add(rdr.ReadToEnd());

        stream = typeof(XmlDatas).Assembly.GetManifestResourceStream("db.data.addition2.xml");
        ProcessXml(stream);
        stream.Position = 0;
        using (StreamReader rdr = new StreamReader(stream))
            ExtraXml.Add(rdr.ReadToEnd());

        stream = typeof(XmlDatas).Assembly.GetManifestResourceStream("db.data.addition.xml");
        ProcessXml(stream);
        stream.Position = 0;
        using (StreamReader rdr = new StreamReader(stream))
            ExtraXml.Add(rdr.ReadToEnd());
    }