[16:25:48 WARN]: [LeaderHeadsRevamped] Task #1095 for LeaderHeadsRevamped v4.0.5 generated an exception
java.lang.ArrayIndexOutOfBoundsException: -1
        at java.util.ArrayList.elementData(Unknown Source) ~[?:1.8.0_221]
        at java.util.ArrayList.get(Unknown Source) ~[?:1.8.0_221]
        at tech.panoply.leaderheads.b.c.a(c.java:4) ~[?:?]
        at tech.panoply.leaderheads.b.j.m(j.java:189) ~[?:?]
        at tech.panoply.leaderheads.b.j.l(j.java:166) ~[?:?]
        at tech.panoply.leaderheads.b.j.a(j.java:120) ~[?:?]
        at tech.panoply.leaderheads.b.b.run(b.java:3) ~[?:?]
        at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:71) ~[spigot_server.jar:git-Spigot-596221b-9a1fc1e]
        at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:353) [spigot_server.jar:git-Spigot-596221b-9a1fc1e]
        at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:738) [spigot_server.jar:git-Spigot-596221b-9a1fc1e]
        at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:405) [spigot_server.jar:git-Spigot-596221b-9a1fc1e]
        at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:678) [spigot_server.jar:git-Spigot-596221b-9a1fc1e]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:576) [spigot_server.jar:git-Spigot-596221b-9a1fc1e]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_221]