NBTException when opening .mca file from 1.14 snapshot

[kasamikona]

NBTExplorer encountered the following exception while trying to run: Exception
Message: Exception of type 'System.Exception' was thrown.

---

at Substrate.Nbt.NbtTree.ReadValue(TagType type)
at Substrate.Nbt.NbtTree.ReadTag(TagNodeCompound parent)
at Substrate.Nbt.NbtTree.ReadCompound()
at Substrate.Nbt.NbtTree.ReadValue(TagType type)
at Substrate.Nbt.NbtTree.ReadTag(TagNodeCompound parent)
at Substrate.Nbt.NbtTree.ReadCompound()
at Substrate.Nbt.NbtTree.ReadValue(TagType type)
at Substrate.Nbt.NbtTree.ReadTag(TagNodeCompound parent)
at Substrate.Nbt.NbtTree.ReadCompound()
at Substrate.Nbt.NbtTree.ReadValue(TagType type)
at Substrate.Nbt.NbtTree.ReadRoot()
at Substrate.Nbt.NbtTree.ReadFrom(Stream s)
at NBTExplorer.Model.RegionChunkDataNode.ExpandCore()
at NBTExplorer.Model.DataNode.Expand()
at NBTExplorer.Controllers.NodeTreeController.ExpandNode(TreeNode node)
at NBTExplorer.Windows.MainForm.ExpandNode(TreeNode node)
...

[kasamikona]

Update: was using an old version by mistake. Works fine in latest release.