[13:22:13 WARN]: [RWPvp] Task #100230 for RWPvp v1.0 generated an exception
java.lang.NullPointerException: Cannot invoke "org.infernworld.rwpvp.gui.PlayerList.playerListMenu(org.infernworld.rwpvp.manager.DuelManager)" because "org.infernworld.rwpvp.gui.PlayerList.instance" is null
        at org.infernworld.rwpvp.manager.DuelManager.lambda$addOrder$0(DuelManager.java:41) ~[?:?]
        at org.bukkit.craftbukkit.v1_16_R3.scheduler.CraftTask.run(CraftTask.java:100) ~[patched_1.16.5.jar:git-Purpur-1171]
        at org.bukkit.craftbukkit.v1_16_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:468) ~[patched_1.16.5.jar:git-Purpur-1171]
        at net.minecraft.server.v1_16_R3.MinecraftServer.b(MinecraftServer.java:1503) ~[patched_1.16.5.jar:git-Purpur-1171]
        at net.minecraft.server.v1_16_R3.DedicatedServer.b(DedicatedServer.java:449) ~[patched_1.16.5.jar:git-Purpur-1171]
        at net.minecraft.server.v1_16_R3.MinecraftServer.a(MinecraftServer.java:1416) ~[patched_1.16.5.jar:git-Purpur-1171]
        at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:1142) ~[patched_1.16.5.jar:git-Purpur-1171]
        at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$a$0(MinecraftServer.java:293) ~[patched_1.16.5.jar:git-Purpur-1171]
        at java.lang.Thread.run(Thread.java:833) [?:?]