UberItems not loading

[timbo2040]

Not sure where else to put this, couldn't find a discord or anything. Basically the plugin isnt loading because UberItems isn't loaded, which gives this error:

[00:31:00 ERROR]: Error occurred while enabling UberItems v2.8 (Is it up to date?)
java.lang.NullPointerException: Profile name must not be null
        at java.util.Objects.requireNonNull(Objects.java:235) ~[?:?]
        at com.mojang.authlib.GameProfile.<init>(GameProfile.java:31) ~[authlib-6.0.52.jar:?]
        at thirtyvirus.uber.helpers.Utilities.getSkull(Utilities.java:724) ~[UberItems.jar:?]
        at thirtyvirus.uber.helpers.RegisterItems.registerUberMaterials(RegisterItems.java:430) ~[UberItems.jar:?]
        at thirtyvirus.uber.UberItems.registerItemsAndMaterials(UberItems.java:282) ~[UberItems.jar:?]
        at thirtyvirus.uber.UberItems.onEnable(UberItems.java:108) ~[UberItems.jar:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:287) ~[paper-api-1.20.4-R0.1-SNAPSHOT.jar:?]
        at io.papermc.paper.plugin.manager.PaperPluginInstanceManager.enablePlugin(PaperPluginInstanceManager.java:188) ~[paper-1.20.4.jar:git-Paper-496]
        at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.enablePlugin(PaperPluginManagerImpl.java:104) ~[paper-1.20.4.jar:git-Paper-496]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:507) ~[paper-api-1.20.4-R0.1-SNAPSHOT.jar:?]
        at org.bukkit.craftbukkit.v1_20_R3.CraftServer.enablePlugin(CraftServer.java:639) ~[paper-1.20.4.jar:git-Paper-496]
        at org.bukkit.craftbukkit.v1_20_R3.CraftServer.enablePlugins(CraftServer.java:550) ~[paper-1.20.4.jar:git-Paper-496]
        at net.minecraft.server.MinecraftServer.loadWorld0(MinecraftServer.java:671) ~[paper-1.20.4.jar:git-Paper-496]
        at net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:431) ~[paper-1.20.4.jar:git-Paper-496]
        at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:309) ~[paper-1.20.4.jar:git-Paper-496]
        at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1131) ~[paper-1.20.4.jar:git-Paper-496]
        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:319) ~[paper-1.20.4.jar:git-Paper-496]
        at java.lang.Thread.run(Thread.java:840) ~[?:?]