[12:05:02] [Server thread/WARN]: [GameControl] Task #2514923 for GameControl v2.1.7 generated an exception
java.lang.NoClassDefFoundError: fr/xephi/authme/api/API
	at ru.GameControl.PlayerListener$2.run(PlayerListener.java:644) ~[?:?]
	at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:63) ~[PaperSpigot.jar:git-Paper-1436]
	at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:415) [PaperSpigot.jar:git-Paper-1436]
	at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:833) [PaperSpigot.jar:git-Paper-1436]
	at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:427) [PaperSpigot.jar:git-Paper-1436]
	at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:767) [PaperSpigot.jar:git-Paper-1436]
	at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:665) [PaperSpigot.jar:git-Paper-1436]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_201]