[03:50:30 WARN]: [SuperiorSkyblock2] Task #5905962 for SuperiorSkyblock2 v0.1.9-BETA generated an exception
java.lang.NullPointerException
at net.minecraft.server.v1_8_R3.BlockPistonMoving.fromLegacyData(SourceFile:225) ~[server.jar:FluxSpigot-04511af6]
at org.bukkit.craftbukkit.v1_8_R3.block.CraftBlock.setData(CraftBlock.java:107) ~[server.jar:FluxSpigot-04511af6]
at org.bukkit.craftbukkit.v1_8_R3.block.CraftBlock.setData(CraftBlock.java:92) ~[server.jar:FluxSpigot-04511af6]
at com.bgsoftware.superiorskyblock.listeners.UpgradesListener.lambda$onGrow$0(UpgradesListener.java:78) ~[SuperiorSkyblock-SortFix.jar:?]
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:59) ~[server.jar:FluxSpigot-04511af6]
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:349) [server.jar:FluxSpigot-04511af6]
at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:785) [server.jar:FluxSpigot-04511af6]
at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:378) [server.jar:FluxSpigot-04511af6]
at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:715) [server.jar:FluxSpigot-04511af6]
at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:618) [server.jar:FluxSpigot-04511af6]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_212]