[16:37:28 WARN]: [Core] Task #1645 for Core v1.7.0-SNAPSHOT generated an exception
java.lang.IllegalArgumentException: Team name 'accolide' is already in use
        at org.apache.commons.lang.Validate.isTrue(Validate.java:136) ~[spigot.jar:git-Spigot-99c2a37-3819f8d]
        at org.bukkit.craftbukkit.v1_12_R1.scoreboard.CraftScoreboard.registerNewTeam(CraftScoreboard.java:140) ~[spigot.jar:git-Spigot-99c2a37-3819f8d]
        at me.aren.events.NameTagEvent.lambda$onJoin$0(NameTagEvent.java:57) ~[?:?]
        at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:71) ~[spigot.jar:git-Spigot-99c2a37-3819f8d]
        at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:353) [spigot.jar:git-Spigot-99c2a37-3819f8d]
        at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:738) [spigot.jar:git-Spigot-99c2a37-3819f8d]
        at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:405) [spigot.jar:git-Spigot-99c2a37-3819f8d]
        at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:678) [spigot.jar:git-Spigot-99c2a37-3819f8d]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:576) [spigot.jar:git-Spigot-99c2a37-3819f8d]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_131]