Hey everyone im new into modding, but i cant find anything that helped me with my problems, maybe one of you can find a mistake that i made, because the console dont get me a problem. Minecraft crash when i start it or the mod crash when i start it. 

Im using Forge Version: 39.0.64

OreGeneration.java

Spoiler

package com.katshinga.wildersmod.world;

import java.util.ArrayList;
import java.util.List;
import java.util.function.Supplier;

import com.katshinga.wildersmod.WildersMod;
import com.katshinga.wildersmod.init.BlockInit;

import net.minecraft.world.level.levelgen.feature.configurations.OreConfiguration;
import net.minecraft.world.level.levelgen.placement.CountPlacement;
import net.minecraft.world.level.levelgen.placement.HeightRangePlacement;
import net.minecraft.world.level.levelgen.placement.InSquarePlacement;
import net.minecraft.world.level.levelgen.placement.PlacedFeature;
import net.minecraftforge.event.world.BiomeLoadingEvent;
import net.minecraftforge.eventbus.api.EventPriority;
import net.minecraftforge.eventbus.api.SubscribeEvent;
import net.minecraftforge.fml.common.Mod;
import net.minecraftforge.fml.common.Mod.EventBusSubscriber.Bus;
import net.minecraft.data.worldgen.features.FeatureUtils;
import net.minecraft.data.worldgen.features.OreFeatures;
import net.minecraft.data.worldgen.placement.PlacementUtils;
import net.minecraft.world.level.levelgen.GenerationStep.Decoration;
import net.minecraft.world.level.levelgen.VerticalAnchor;
import net.minecraft.world.level.levelgen.feature.ConfiguredFeature;
import net.minecraft.world.level.levelgen.feature.Feature;

@Mod.EventBusSubscriber(modid = WildersMod.MOD_ID, bus = Bus.FORGE)
public class OreGeneration {

    private static final List<PlacedFeature> OVERWORLD_ORES = new ArrayList<>();
    
    @SubscribeEvent(priority = EventPriority.HIGHEST)
    public static void biomeLoading(final BiomeLoadingEvent event) {
        final List<Supplier<PlacedFeature>> features = event.getGeneration().getFeatures(Decoration.UNDERGROUND_ORES);

        switch (event.getCategory()) {
        default:
        OreGeneration.OVERWORLD_ORES.forEach((ore) -> features.add(() -> ore));
        }
    }

    public static void registerOres() {
        final ConfiguredFeature<?, ?> charoit_ore = FeatureUtils.register("charoit_ore", Feature.ORE.configured(new OreConfiguration(List.of(OreConfiguration
                .target(OreFeatures.STONE_ORE_REPLACEABLES, BlockInit.CHAROIT_ORE.get().defaultBlockState())), 3)));
        final PlacedFeature placed_charoit_ore = PlacementUtils.register("charoit_ore", 
                charoit_ore.placed(HeightRangePlacement.uniform(VerticalAnchor.bottom(), VerticalAnchor.aboveBottom(64)), InSquarePlacement.spread(), CountPlacement.of(100))
            );
            
            OVERWORLD_ORES.add(placed_charoit_ore);
    }

}

CommonModEvent.java

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package com.katshinga.wildersmod.event;

import com.katshinga.wildersmod.WildersMod;
import com.katshinga.wildersmod.common.entity.Wizard;
import com.katshinga.wildersmod.init.EntityInit;
import com.katshinga.wildersmod.world.OreGeneration;

import net.minecraftforge.eventbus.api.SubscribeEvent;
import net.minecraftforge.event.entity.EntityAttributeCreationEvent;
import net.minecraftforge.fml.common.Mod;
import net.minecraftforge.fml.common.Mod.EventBusSubscriber.Bus;
import net.minecraftforge.fml.event.lifecycle.FMLCommonSetupEvent;;

@Mod.EventBusSubscriber(modid = WildersMod.MOD_ID, bus = Bus.MOD)
public class CommonModEvent {
    
    @SubscribeEvent
    public void onFMLCommonSetup(final FMLCommonSetupEvent event) {
        event.enqueueWork(() -> {OreGeneration.registerOres();
        });
    
    }
    
    @SubscribeEvent
    public static void registerAttributes(EntityAttributeCreationEvent event) {
        event.put(EntityInit.WIZARD.get(), Wizard.createAttributes().build());
    }
}
 

Thanks for everyone who is trying to help me 

Edited February 6, 20223 yr by Katshinga

11 hours ago, Katshinga said:

Minecraft crash when i start it or the mod crash when i start it.

post the log

The reason for crashing is: 

Spoiler

java.lang.UnsupportedClassVersionError: com/katshinga/wildersmod/WildersMod (class file version 57.65535) was compiled with preview features that are unsupported. This version of the Java Runtime only recognizes preview features for class file version 61.65535

and the class File "WildersMod" is:

Spoiler

package com.katshinga.wildersmod;

import com.katshinga.wildersmod.init.BlockInit;
import com.katshinga.wildersmod.init.EntityInit;
import com.katshinga.wildersmod.init.ItemInit;

import net.minecraft.world.item.CreativeModeTab;
import net.minecraft.world.item.ItemStack;
import net.minecraftforge.fml.common.Mod;
import net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext;

@Mod(WildersMod.MOD_ID)

public class WildersMod
{
   public static final String MOD_ID = "wildersmod";
   
   public static final CreativeModeTab WILDERS_TAB = new CreativeModeTab(MOD_ID) {
       @Override
       public ItemStack makeIcon() {
           return ItemInit.CHAROIT_WAND.get().getDefaultInstance();
       }
   };
   
   public WildersMod() {
       var bus = FMLJavaModLoadingContext.get().getModEventBus();
       
       BlockInit.BLOCKS.register(bus);
       ItemInit.ITEMS.register(bus);
       EntityInit.ENTITIES.register(bus);
   }
}
 

i cant see the mistake :c

you run minecraft with java 13 but it's required in 1.18 java 17

but console say "runClient ... jdk-17.0.2"

which IDE do you use?

I think IDE is the programm i use? its "Eclipse"

https://prnt.sc/26pr2jk

I think this is the mistake, but i cant do it higher than 13 and i have no idea why i cant do it higher than 13. In JRE there is 17.0.2. 

Okay i fixed it. i had to update eclipse.. Thank you very much