Failed to fetch hierarchy node

[katubug]

The following warning is in my latest.log, is this something I should be concerned about? I can provide more information if needed. :)

[14:03:23] [main/WARN] [LLibrary Core]: Failed to fetch hierarchy node for net.minecraft.entity.player.EntityPlayerMP. This may cause patch issues

[Krutoy242]

1.12.2 Having same issue with more lines:

[15:03:00] [main/WARN] [LLibrary Core]: Failed to fetch hierarchy node for net.minecraft.entity.Entity. This may cause patch issues
[15:03:00] [main/WARN] [LLibrary Core]: Failed to fetch hierarchy node for net.minecraft.client.renderer.DestroyBlockProgress. This may cause patch issues
[15:03:00] [main/WARN] [LLibrary Core]: Failed to fetch hierarchy node for net.minecraft.client.renderer.culling.Frustum. This may cause patch issues
[15:03:00] [main/WARN] [LLibrary Core]: Failed to fetch hierarchy node for net.minecraft.client.renderer.culling.ICamera. This may cause patch issues

Would also know what issues it may cause.

[Krutoy242]

Still looking for an answer!