[21:14:08] [Server thread/WARN]: java.lang.NullPointerException: Name is null
[21:14:08] [Server thread/WARN]:    at java.lang.Enum.valueOf(Unknown Source)
[21:14:08] [Server thread/WARN]:    at org.bukkit.Material.valueOf(Material.java:1)
[21:14:08] [Server thread/WARN]:    at net.splodgebox.monthlylootcrate.lootcrate.AnimationManager.lambda$finalAnimation$3(AnimationManager.java:158)
[21:14:08] [Server thread/WARN]:    at java.lang.Iterable.forEach(Unknown Source)
[21:14:08] [Server thread/WARN]:    at net.splodgebox.monthlylootcrate.lootcrate.AnimationManager.finalAnimation(AnimationManager.java:156)
[21:14:08] [Server thread/WARN]:    at net.splodgebox.monthlylootcrate.lootcrate.AnimationManager$2$1.run(AnimationManager.java:132)
[21:14:08] [Server thread/WARN]:    at org.bukkit.craftbukkit.v1_13_R2.scheduler.CraftTask.run(CraftTask.java:81)
[21:14:08] [Server thread/WARN]:    at org.bukkit.craftbukkit.v1_13_R2.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:392)
[21:14:08] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:889)
[21:14:08] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:417)
[21:14:08] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:831)
[21:14:08] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:729)
[21:14:08] [Server thread/WARN]:    at java.lang.Thread.run(Unknown Source)