Exception in thread "Thread-0" java.lang.IllegalArgumentException: Unknown special render type: minecraft:player_head

[mas6y6]

Exception in thread "Thread-0" java.lang.IllegalArgumentException: Unknown special render type: minecraft:player_head
at team.unnamed.creative.serialize.minecraft.item.ItemSerializer.readSpecial(ItemSerializer.java:354)
at team.unnamed.creative.serialize.minecraft.item.ItemSerializer.deserializeItemModel(ItemSerializer.java:110)
at team.unnamed.creative.serialize.minecraft.item.ItemSerializer.deserializeFromJson(ItemSerializer.java:137)
at team.unnamed.creative.serialize.minecraft.item.ItemSerializer.deserializeFromJson(ItemSerializer.java:60)
at team.unnamed.creative.serialize.minecraft.MinecraftResourcePackReaderImpl.read(MinecraftResourcePackReaderImpl.java:305)
at team.unnamed.creative.serialize.minecraft.MinecraftResourcePackReader.readFromZipFile(MinecraftResourcePackReader.java:93)
at team.unnamed.creative.serialize.minecraft.MinecraftResourcePackReader.readFromZipFile(MinecraftResourcePackReader.java:81)
at org.geysermc.pack.converter.PackConverter.lambda$convert$1(PackConverter.java:282)
at org.geysermc.pack.converter.util.ZipUtils.openFileSystem(ZipUtils.java:125)
at org.geysermc.pack.converter.PackConverter.convert(PackConverter.java:274)
at org.geysermc.pack.converter.bootstrap.ThunderGUI.lambda$new$1(ThunderGUI.java:133)
at java.base/java.lang.Thread.run(Thread.java:1583)

[Novampr]

This is an issue with the java pack reader we use, creative, we're looking into fixes for this :)