[15:57:14 WARN]: [CivMenu] Task #32 for CivMenu v1.2.0 generated an exc[10/9097]
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
at vg.civcraft.mc.civmenu.guides.UnloadDismissalsTask.unloadCache(Unload
DismissalsTask.java:39) ~[?:?]
at vg.civcraft.mc.civmenu.guides.UnloadDismissalsTask.run(UnloadDismissalsTask.java:25) ~[?:?]
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[spigot.jar:git-Spigot-d97e08b-880a532]
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHea
rtbeat(CraftScheduler.java:350) [spigot.jar:git-Spigot-d97e08b-880a532]
at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:7
22) [spigot.jar:git-Spigot-d97e08b-880a532]
at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:3
74) [spigot.jar:git-Spigot-d97e08b-880a532]
at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:6
53) [spigot.jar:git-Spigot-d97e08b-880a532]
at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java
:556) [spigot.jar:git-Spigot-d97e08b-880a532]
at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
@TealNerd
[15:57:14 WARN]: [CivMenu] Task #32 for CivMenu v1.2.0 generated an exc[10/9097] java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at vg.civcraft.mc.civmenu.guides.UnloadDismissalsTask.unloadCache(Unload DismissalsTask.java:39) ~[?:?] at vg.civcraft.mc.civmenu.guides.UnloadDismissalsTask.run(UnloadDismissalsTask.java:25) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[spigot.jar:git-Spigot-d97e08b-880a532] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHea rtbeat(CraftScheduler.java:350) [spigot.jar:git-Spigot-d97e08b-880a532] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:7 22) [spigot.jar:git-Spigot-d97e08b-880a532] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:3 74) [spigot.jar:git-Spigot-d97e08b-880a532] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:6 53) [spigot.jar:git-Spigot-d97e08b-880a532] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java :556) [spigot.jar:git-Spigot-d97e08b-880a532] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]