[00:58:06] [Server thread/ERROR] [Sponge]: Could not pass ChangeBlockEvent$Place$Impl to Plugin{id=playershops, name=Player Shops, version=1.10.2-1.0.0, description=Allo
ws players to create shops, source=E:\ziCRAFT-1.10.x\mods\PlayerShops-1.10.2-1.0.0.jar}
java.lang.NoClassDefFoundError: Could not initialize class me.nentify.playershops.data.PlayerShopKeys
        at me.nentify.playershops.data.PlayerShopData.quantity(PlayerShopData.java:49) ~[PlayerShopData.class:?]
        at me.nentify.playershops.events.BlockEventHandler.onBlockPlace(BlockEventHandler.java:61) ~[BlockEventHandler.class:?]
        at org.spongepowered.common.event.listener.PlaceListener_BlockEventHandler_onBlockPlace113.handle(Unknown Source) ~[?:?]
        at org.spongepowered.common.event.RegisteredListener.handle(RegisteredListener.java:95) ~[RegisteredListener.class:1.10.2-2098-5.1.0-BETA-1814]
        at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:356) ~[SpongeModEventManager.class:1.10.2-2098-5.1.0-BETA-1814]
        at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:339) ~[SpongeModEventManager.class:1.10.2-2098-5.1.0-BETA-1814]
        at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:384) ~[SpongeModEventManager.class:1.10.2-2098-5.1.0-BETA-1814]
        at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:369) ~[SpongeModEventManager.class:1.10.2-2098-5.1.0-BETA-1814]
        at org.spongepowered.common.SpongeImpl.postEvent(SpongeImpl.java:140) ~[SpongeImpl.class:1.10.2-2098-5.1.0-BETA-1814]
        at org.spongepowered.common.event.tracking.TrackingUtil.iterateChangeBlockEvents(TrackingUtil.java:563) ~[TrackingUtil.class:1.10.2-2098-5.1.0-BETA-1814]
        at org.spongepowered.common.event.tracking.TrackingUtil.processBlockCaptures(TrackingUtil.java:483) ~[TrackingUtil.class:1.10.2-2098-5.1.0-BETA-1814]
        at org.spongepowered.common.event.tracking.phase.packet.PacketFunction.lambda$null$36(PacketFunction.java:752) ~[PacketFunction.class:1.10.2-2098-5.1.0-BETA-1814
]
        at org.spongepowered.common.event.tracking.CapturedSupplier.ifPresentAndNotEmpty(CapturedSupplier.java:57) ~[CapturedSupplier.class:1.10.2-2098-5.1.0-BETA-1814]
        at org.spongepowered.common.event.tracking.phase.packet.PacketFunction.lambda$static$39(PacketFunction.java:750) ~[PacketFunction.class:1.10.2-2098-5.1.0-BETA-18
14]
        at org.spongepowered.common.event.tracking.phase.packet.PacketPhase.unwind(PacketPhase.java:307) [PacketPhase.class:1.10.2-2098-5.1.0-BETA-1814]
        at org.spongepowered.common.event.tracking.CauseTracker.completePhase(CauseTracker.java:190) [CauseTracker.class:1.10.2-2098-5.1.0-BETA-1814]
        at org.spongepowered.common.network.PacketUtil.onProcessPacket(PacketUtil.java:124) [PacketUtil.class:1.10.2-2098-5.1.0-BETA-1814]
        at net.minecraft.network.PacketThreadUtil$1.redirect$onProcessPacket$zjc000(SourceFile:39) [fl$1.class:?]
        at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) [fl$1.class:?]
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_112]
        at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_112]
        at net.minecraft.util.Util.func_181617_a(SourceFile:45) [h.class:?]
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:668) [MinecraftServer.class:?]
        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:387) [ld.class:?]
        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:613) [MinecraftServer.class:?]
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:471) [MinecraftServer.class:?]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_112]