Problem of UltimateStacker with SuperiorSkyblock2

[Thuan256]

[12:28:56 INFO]: [SuperiorSkyblock2] Error occurred when calculating the island:

[12:28:56 WARN]: java.util.concurrent.CompletionException: java.lang.NoSuchMetho
dError: com.songoda.ultimatestacker.UltimateStacker.getSpawnerStackManager()Lcom
/songoda/ultimatestacker/stackable/spawner/SpawnerStackManager;
[12:28:56 WARN]: at java.util.concurrent.CompletableFuture.encodeThrowabl
e(Unknown Source)
[12:28:56 WARN]: at java.util.concurrent.CompletableFuture.completeThrowa
ble(Unknown Source)
[12:28:56 WARN]: at java.util.concurrent.CompletableFuture.uniRun(Unknown
Source)
[12:28:56 WARN]: at java.util.concurrent.CompletableFuture$UniRun.tryFire
(Unknown Source)
[12:28:56 WARN]: at java.util.concurrent.CompletableFuture.postComplete(U
nknown Source)
[12:28:56 WARN]: at java.util.concurrent.CompletableFuture.complete(Unkno
wn Source)
[12:28:56 WARN]: at com.bgsoftware.superiorskyblock.nms.v1_12_R1.NMSChunk
sImpl.lambda$calculateChunks$9(NMSChunksImpl.java:129)
[12:28:56 WARN]: at com.bgsoftware.superiorskyblock.nms.v1_12_R1.NMSUtils
.lambda$runActionOnUnloadedChunks$4(NMSUtils.java:108)
[12:28:56 WARN]: at com.bgsoftware.superiorskyblock.utils.threads.Executo
r$NestedTask.lambda$null$2(Executor.java:152)
[12:28:56 WARN]: at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.r
un(CraftTask.java:76)
[12:28:56 WARN]: at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftSchedu
ler.mainThreadHeartbeat(CraftScheduler.java:361)
[12:28:56 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.D(Minec
raftServer.java:739)
[12:28:56 WARN]: at net.minecraft.server.v1_12_R1.DedicatedServer.D(Dedic
atedServer.java:406)
[12:28:56 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.C(Minec
raftServer.java:679)
[12:28:56 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.run(Min
ecraftServer.java:577)
[12:28:56 WARN]: at java.lang.Thread.run(Unknown Source)
[12:28:56 WARN]: Caused by: java.lang.NoSuchMethodError: com.songoda.ultimatesta
cker.UltimateStacker.getSpawnerStackManager()Lcom/songoda/ultimatestacker/stacka
ble/spawner/SpawnerStackManager;
[12:28:56 WARN]: at com.bgsoftware.superiorskyblock.hooks.provider.Spawne
rsProvider_UltimateStacker.getSpawner(SpawnersProvider_UltimateStacker.java:40)
[12:28:56 WARN]: at com.bgsoftware.superiorskyblock.hooks.ProvidersHandle
r.getSpawner(ProvidersHandler.java:198)
[12:28:56 WARN]: at com.bgsoftware.superiorskyblock.island.algorithms.Def
aultIslandCalculationAlgorithm.lambda$null$5(DefaultIslandCalculationAlgorithm.j
ava:78)
[12:28:56 WARN]: at java.util.ArrayList.forEach(Unknown Source)
[12:28:56 WARN]: at com.bgsoftware.superiorskyblock.island.algorithms.Def
aultIslandCalculationAlgorithm.lambda$null$6(DefaultIslandCalculationAlgorithm.j
ava:67)
[12:28:56 WARN]: at com.bgsoftware.superiorskyblock.structure.Completable
FutureList.lambda$forEachCompleted$0(CompletableFutureList.java:27)
[12:28:56 WARN]: ... 14 more

When I use /is level it will happen it

[OmerBenGera]

Open an issue please, this is not the place to report bugs.