Bukkit

Please Help Me Only Error I Get On My Server Is From Galistener I Also Use VoteParty Plugin And I Am Running Spigot 1.12.2 Error Is:

[07:14:08 WARN]: [GAListener] Task #490 for GAListener v1.3.2 generated an exception

java.lang.NoSuchMethodError: org.bukkit.Server._INVALID_getOnlinePlayers()[Lorg/bukkit/entity/Player; at com.swifteh.GAL.GAL$6.run(GAL.java:409) ~[?:?] at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83] at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83] at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83] at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83] at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83] at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_172]