Use the Spigot API instead of Reflection to handle base64 skulls. This prevents Spigot from complaining inconsistent meta:
[18:13:52 WARN]: Found inconsistent skull meta, this should normally not happen and is not a Bukkit / Spigot issue, but one from a plugin you are using.
Bukkit will attempt to fix it this time for you, but may not be able to do this every time.
If you see this message after typing a command from a plugin, please report this to the plugin developer, they should use the api instead of relying on reflection (and doing it the wrong way).
Use the Spigot API instead of Reflection to handle base64 skulls. This prevents Spigot from complaining inconsistent meta: