Hi, I'm creating a new mod that adds some armor and one of them adds some effects, but when I put it on a server, it crashes.

 

net.minecraft.util.ReportedException: Ticking player
    at net.minecraft.entity.player.EntityPlayerMP.onUpdateEntity(EntityPlayerMP.java:500) ~[EntityPlayerMP.class:?]
    at net.minecraft.network.NetHandlerPlayServer.update(NetHandlerPlayServer.java:185) ~[NetHandlerPlayServer.class:?]
    at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1.update(NetworkDispatcher.java:212) ~[NetworkDispatcher$1.class:?]
    at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:307) ~[NetworkManager.class:?]
    at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:197) [NetworkSystem.class:?]
    at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:865) [MinecraftServer.class:?]
    at net.minecraft.server.dedicated.DedicatedServer.updateTimeLightAndEntities(DedicatedServer.java:415) [DedicatedServer.class:?]
    at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:743) [MinecraftServer.class:?]
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:592) [MinecraftServer.class:?]
    at java.lang.Thread.run(Unknown Source) [?:1.8.0_111]
Caused by: java.lang.NoSuchMethodError: net.minecraft.entity.player.InventoryPlayer.armorItemInSlot(I)Lnet/minecraft/item/ItemStack;
    at com.MarcoPlay00.diaernumMod.object.items.armor.BluraniumArmor.onArmorTick(BluraniumArmor.java:62) ~[BluraniumArmor.class:?]
    at net.minecraft.entity.player.InventoryPlayer.decrementAnimations(InventoryPlayer.java:413) ~[InventoryPlayer.class:?]
    at net.minecraft.entity.player.EntityPlayer.onLivingUpdate(EntityPlayer.java:575) ~[EntityPlayer.class:?]
    at net.minecraft.entity.EntityLivingBase.onUpdate(EntityLivingBase.java:2397) ~[EntityLivingBase.class:?]
    at net.minecraft.entity.player.EntityPlayer.onUpdate(EntityPlayer.java:272) ~[EntityPlayer.class:?]
    at net.minecraft.entity.player.EntityPlayerMP.onUpdateEntity(EntityPlayerMP.java:423) ~[EntityPlayerMP.class:?]
    ... 9 more

I solved the problem.

1 hour ago, MarcoPlay00 said:

Caused by: java.lang.NoSuchMethodError: net.minecraft.entity.player.InventoryPlayer.armorItemInSlot(I)Lnet/minecraft/item/ItemStack;
 

The method cannot be found on the server wherever you are calling this method try setting it to be @SideOnly(Side.CLIENT) and see if that fixes. some src code would be nice so we can check you code

Edited December 30, 20186 yr by Discult

On 12/30/2018 at 5:50 PM, Discult said:

The method cannot be found on the server wherever you are calling this method try setting it to be @SideOnly(Side.CLIENT) and see if that fixes. some src code would be nice so we can check you code

Thanks, I solved the problem