[23:18:13] [Server thread/ERROR]: Could not pass event PlayerJoinEvent to StaffPlus v3.3.2.0
java.lang.IllegalArgumentException: Invalid UUID string: SassyRed
    at java.util.UUID.fromString(UUID.java:194) ~[?:1.8.0_212]
    at net.shortninja.staffplus.server.data.Load.loadWarnings(Load.java:85) ~[?:?]
    at net.shortninja.staffplus.server.data.Load.loadUser(Load.java:50) ~[?:?]
    at net.shortninja.staffplus.server.data.Load.<init>(Load.java:39) ~[?:?]
    at net.shortninja.staffplus.server.listener.player.PlayerJoin.manageUser(PlayerJoin.java:75) ~[?:?]
    at net.shortninja.staffplus.server.listener.player.PlayerJoin.onJoin(PlayerJoin.java:51) ~[?:?]
    at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor529.execute(Unknown Source) ~[?:?]
    at org.bukkit.plugin.EventExecutor.lambda$create$1(EventExecutor.java:69) ~[patched_1.15.1.jar:git-Paper-33]
    at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80) ~[patched_1.15.1.jar:git-Paper-33]
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[patched_1.15.1.jar:git-Paper-33]
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:545) ~[patched_1.15.1.jar:git-Paper-33]
    at net.minecraft.server.v1_15_R1.PlayerList.a(PlayerList.java:192) ~[patched_1.15.1.jar:git-Paper-33]
    at net.minecraft.server.v1_15_R1.LoginListener.c(LoginListener.java:174) ~[patched_1.15.1.jar:git-Paper-33]
    at net.minecraft.server.v1_15_R1.LoginListener.tick(LoginListener.java:65) ~[patched_1.15.1.jar:git-Paper-33]
    at net.minecraft.server.v1_15_R1.NetworkManager.a(NetworkManager.java:256) ~[patched_1.15.1.jar:git-Paper-33]
    at net.minecraft.server.v1_15_R1.ServerConnection.c(ServerConnection.java:139) ~[patched_1.15.1.jar:git-Paper-33]
    at net.minecraft.server.v1_15_R1.MinecraftServer.b(MinecraftServer.java:1263) ~[patched_1.15.1.jar:git-Paper-33]
    at net.minecraft.server.v1_15_R1.DedicatedServer.b(DedicatedServer.java:417) ~[patched_1.15.1.jar:git-Paper-33]
    at net.minecraft.server.v1_15_R1.MinecraftServer.a(MinecraftServer.java:1106) ~[patched_1.15.1.jar:git-Paper-33]
    at net.minecraft.server.v1_15_R1.MinecraftServer.run(MinecraftServer.java:933) ~[patched_1.15.1.jar:git-Paper-33]
    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_212]