GRASS_BLOCK NoSuchFieldError

[Drc-DEV]

Factions v1.6.9.5-U0.2.1-RC-1.6-BETA (latest build from ci)
PaperSpigot 1.12.2 Build 1596

[Server thread/ERROR]: Could not pass event PlayerInteractEvent to Factions v1.6.9.5-U0.2.1-RC-1.6-BETA java.lang.NoSuchFieldError: GRASS_BLOCK at com.massivecraft.factions.listeners.FactionsPlayerListener.onPlayerBoneMeal(FactionsPlayerListener.java:954) ~[?:?] at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor839.execute(Unknown Source) ~[?:?] at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:70) ~[patched_1.12.2.jar:git-Paper-1596] at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[patched_1.12.2.jar:git-Paper-1596] at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[patched_1.12.2.jar:git-Paper-1596] at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:513) ~[patched_1.12.2.jar:git-Paper-1596] at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:236) ~[patched_1.12.2.jar:git-Paper-1596] at net.minecraft.server.v1_12_R1.PlayerInteractManager.a(PlayerInteractManager.java:486) ~[patched_1.12.2.jar:git-Paper-1596] at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:997) ~[patched_1.12.2.jar:git-Paper-1596] at net.minecraft.server.v1_12_R1.PacketPlayInUseItem.a(PacketPlayInUseItem.java:37) ~[patched_1.12.2.jar:git-Paper-1596] at net.minecraft.server.v1_12_R1.PacketPlayInUseItem.a(PacketPlayInUseItem.java:5) ~[patched_1.12.2.jar:git-Paper-1596] at net.minecraft.server.v1_12_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:14) ~[patched_1.12.2.jar:git-Paper-1596] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_171] at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_171] at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) ~[patched_1.12.2.jar:git-Paper-1596] at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:850) ~[patched_1.12.2.jar:git-Paper-1596] at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423) ~[patched_1.12.2.jar:git-Paper-1596] at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:774) ~[patched_1.12.2.jar:git-Paper-1596] at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:666) ~[patched_1.12.2.jar:git-Paper-1596] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_171]