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"Duplicate Mod" Bug

Mgbro24

By Mgbro24
in Support & Bug Reports

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Mgbro24 Tree Puncher

Mgbro24

Posted
Posted

I get the following error when opening Forge through curse forge. It says duplicate mod and I can't see any that seem to be the same. 

 [main/ERROR]: Failed to build unique mod list after mod discovery.
net.minecraftforge.fml.loading.EarlyLoadingException: Duplicate mods found
	at net.minecraftforge.fml.loading.UniqueModListBuilder.buildUniqueList(UniqueModListBuilder.java:78) ~[fmlloader-1.19-41.0.62.jar%2393!/:1.0]
	at net.minecraftforge.fml.loading.moddiscovery.ModDiscoverer.discoverMods(ModDiscoverer.java:105) ~[fmlloader-1.19-41.0.62.jar%2393!/:?]
	at net.minecraftforge.fml.loading.FMLLoader.beginModScan(FMLLoader.java:166) ~[fmlloader-1.19-41.0.62.jar%2393!/:1.0]
	at net.minecraftforge.fml.loading.FMLServiceProvider.beginScanning(FMLServiceProvider.java:86) ~[fmlloader-1.19-41.0.62.jar%2393!/:1.0]
	at cpw.mods.modlauncher.TransformationServiceDecorator.runScan(TransformationServiceDecorator.java:112) ~[modlauncher-10.0.1.jar%2381!/:?]
	at cpw.mods.modlauncher.TransformationServicesHandler.lambda$runScanningTransformationServices$8(TransformationServicesHandler.java:100) ~[modlauncher-10.0.1.jar%2381!/:?]
	at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) [?:?]
	at java.util.HashMap$ValueSpliterator.forEachRemaining(HashMap.java:1779) [?:?]
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) [?:?]
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) [?:?]
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:575) [?:?]
	at java.util.stream.AbstractPipeline.evaluateToArrayNode(AbstractPipeline.java:260) [?:?]
	at java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:616) [?:?]
	at java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:622) [?:?]
	at java.util.stream.ReferencePipeline.toList(ReferencePipeline.java:627) [?:?]
	at cpw.mods.modlauncher.TransformationServicesHandler.runScanningTransformationServices(TransformationServicesHandler.java:102) [modlauncher-10.0.1.jar%2381!/:?]
	at cpw.mods.modlauncher.TransformationServicesHandler.initializeTransformationServices(TransformationServicesHandler.java:55) [modlauncher-10.0.1.jar%2381!/:?]
	at cpw.mods.modlauncher.Launcher.run(Launcher.java:87) [modlauncher-10.0.1.jar%2381!/:?]
	at cpw.mods.modlauncher.Launcher.main(Launcher.java:77) [modlauncher-10.0.1.jar%2381!/:?]
	at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) [modlauncher-10.0.1.jar%2381!/:?]
	at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) [modlauncher-10.0.1.jar%2381!/:?]
	at cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:141) [bootstraplauncher-1.1.1.jar:?]
[13:50:28] [main/ERROR]: Mod Discovery failed. Skipping dependency discovery.

 

DaemonUmbra Reality Controller

DaemonUmbra

Posted
Posted

Please provide debug.log (more info in my signature below)

This is my Forum Signature, I am currently attempting to transform it into a small guide for fixing easier issues using spoiler blocks to keep things tidy.

 

As the most common issue I feel I should put this outside the main bulk:

The only official source for Forge is https://files.minecraftforge.net, and the only site I trust for getting mods is CurseForge.

If you use any site other than these, please take a look at the StopModReposts project and install their browser extension, I would also advise running a virus scan.

 

For players asking for assistance with Forge please expand the spoiler below and read the appropriate section(s) in its/their entirety.

  Reveal hidden contents

 

DaemonUmbra Reality Controller

DaemonUmbra

Posted
Posted

Curse doesn't generate debug.log by default... much to the annoyance of EVERYONE ELSE.
You need to enable it in the Minecraft Section of Curse App's settings

This is my Forum Signature, I am currently attempting to transform it into a small guide for fixing easier issues using spoiler blocks to keep things tidy.

 

As the most common issue I feel I should put this outside the main bulk:

The only official source for Forge is https://files.minecraftforge.net, and the only site I trust for getting mods is CurseForge.

If you use any site other than these, please take a look at the StopModReposts project and install their browser extension, I would also advise running a virus scan.

 

For players asking for assistance with Forge please expand the spoiler below and read the appropriate section(s) in its/their entirety.

  Reveal hidden contents

 

  • 2 weeks later...
Mgbro24 Tree Puncher

Mgbro24

Posted
  • Author
Posted (edited)
  On 6/29/2022 at 11:49 PM, DaemonUmbra said:

Curse doesn't generate debug.log by default... much to the annoyance of EVERYONE ELSE.
You need to enable it in the Minecraft Section of Curse App's settings

Expand   
Log in spoiler.
  Reveal hidden contents

 

Edited by Mgbro24
Mgbro24 Tree Puncher

Mgbro24

Posted
  • Author
Posted
  On 7/8/2022 at 7:23 AM, diesieben07 said:

You installed both REI and JEI.

Expand  

Thank you for letting me know but there was another bug.

Debug in spoiler.

  Reveal hidden contents

 

warjort Reality Controller

warjort

Posted
Posted

You are trying to use a version of create for minecraft 1.18 in 1.19

  Quote

[08Jul2022 18:05:51.897] [main/DEBUG] [net.minecraftforge.fml.loading.moddiscovery.ModFileParser/LOADING]: Considering mod file candidate C:\Users\mgbro\curseforge\minecraft\Instances\Cool House\mods\create-mc1.18.2_v0.4.1.jar

Expand  

 

Boilerplate:

If you don't post your logs/debug.log we can't help you. For curseforge you need to enable the forge debug.log in its minecraft settings. You should also post your crash report if you have one.

If there is no error in the log file and you don't have a crash report then post the launcher_log.txt from the minecraft folder. Again for curseforge this will be in your curseforge/minecraft/Install

Large files should be posted to a file sharing site like https://gist.github.com  You should also read the support forum sticky post.

  • 1 month later...

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betterinvisibility       | 1.0.1              | betterinvisibility-1.0.1.jar                  | None                                     |     | L     | bettermineshafts         | 1.12.2-2.2         | BetterMineshaftsForge-1.12.2-2.2.jar          | None                                     |     | L     | bookshelf                | 2.3.590            | Bookshelf-1.12.2-2.3.590.jar                  | None                                     |     | L     | collective               | 2.11               | collective-1.12.2-2.11.jar                    | None                                     |     | L     | extendedrenderer         | v1.0               | coroutil-1.12.1-1.2.37.jar                    | None                                     |     | L     | coroutil                 | 1.12.1-1.2.37      | coroutil-1.12.1-1.2.37.jar                    | None                                     |     | L     | configmod                | v1.0               | coroutil-1.12.1-1.2.37.jar                    | None                                     |     | L     | dummycore                | 2.4.112.3.         | DummyCoreUnofficial-2.4.112.3.jar             | None                                     |     | L     | dynamictrees             | 1.12.2-0.9.22      | DynamicTrees-1.12.2-0.9.22.jar                | None                                     |     | L     | thaumcraft               | 6.1.BETA26         | Thaumcraft_1.12.2_6.1.BETA26.jar              | None                                     |     | L     | dynamictreestc           | 1.12.2-1.4.2       | DynamicTreesTC-1.12.2-1.4.2.jar               | None                                     |     | L     | hammercore               | 2.0.6.23           | HammerLib-1.12.2-2.0.6.23.jar                 | None                                     |     | L     | waila                    | 1.8.26             | Hwyla-1.8.26-B41_1.12.2.jar                   | None                                     |     | L     | jei                      | 4.16.1.302         | jei_1.12.2-4.16.1.302.jar                     | None                                     |     | L     | keepinginventory         | 2.4                | KeepingInventory-1.12.2-2.4.jar               | None                                     |     | L     | libraryex                | 1.2.1              | LibraryEx-1.12.2-1.2.1.jar                    | None                                     |     | L     | netherex                 | 2.2.4              | NetherEx-1.12.2-2.2.4.jar                     | None                                     |     | L     | recipehandler            | 0.13               | NoMoreRecipeConflict-0.13(1.12.2).jar         | None                                     |     | L     | nei                      | 2.4.3              | NotEnoughItems-1.12.2-2.4.3.245-universal.jar | None                                     |     | L     | thaumadditions           | 12.6.6             | ThaumicAdditions-1.12.2-12.6.6.jar            | None                                     |     | L     | thaumicbases             | 3.3.500.6r         | thaumicbases-3.3.500.6r.jar                   | None                                     |     | L     | thaumictinkerer          | 1.12.2-5.0-620a0c5 | thaumictinkerer-1.12.2-5.0-620a0c5.jar        | None                                     |     | L     | thaumicwaila             | 1.12.2-0.0.2       | ThaumicWaila-1.12.2-0.0.2.jar                 | None                                     |     | L     | tumbleweed               | 1.12-0.4.7         | tumbleweed-1.12-0.4.7.jar                     | None                                     |     | L     | villagespawnpoint        | 1.5                | villagespawnpoint_1.12.2-1.5.jar              | None                                     |     | L     | wawla                    | 2.6.275            | Wawla-1.12.2-2.6.275.jar                      | None                                     |     | L     | wooltostring             | 1.12.2             | WoolToString-1.12.2-1.0.0.jar                 | None                                     |     | L     | zombieawareness          | 1.12.1-1.11.16     | zombieawareness-1.12.1-1.11.16.jar            | None                                     |     | L     | betteranimalsplus        | 9.0.1              | betteranimalsplus-1.12.2-9.0.1.jar            | None                                     |     | L     | orelib                   | 3.6.0.1            | OreLib-1.12.2-3.6.0.1.jar                     | None                                     |     Loaded coremods (and transformers):  DCLoadingPlugin (DummyCoreUnofficial-2.4.112.3.jar)   DummyCore.ASM.DCASMManager HCASM (HammerLib-1.12.2-2.0.6.23.jar)   com.zeitheron.hammercore.asm.HammerCoreTransformer     Profiler Position: N/A (disabled)     Is Modded: Definitely; Server brand changed to 'fml,forge'     Type: Dedicated Server (map_server.txt)
    • Loghan
      [1.21.5] The texture of the item is not loading.

      By Loghan · Posted

      Hey! I noticed you're trying to register your alexandrite item and possibly set its resource location manually with setId(...). I wanted to help clarify a few things that might simplify your code and avoid errors. ✅ The issue: You're using setId(...) inside the item registration like this:   public static final RegistryObject<Item> ALEXANDRITE = ITEMS.register("alexandrite", () -> new Item(new Item.Properties().useItemDescriptionPrefix() .setId(ResourceKey.create(Registries.ITEM, ResourceLocation.fromNamespaceAndPath(TutorialMod.MOD_ID, "alexandrite"))))); But: Item.Properties does not have a setId(...) method — this line will either fail or do nothing meaningful. useItemDescriptionPrefix() is mostly used for translation keys (like "item.modid.name") but isn't needed unless you have a very specific reason. 🛠 The fix: You only need to register your item like this:   public static final RegistryObject<Item> ALEXANDRITE = ITEMS.register("alexandrite", () -> new Item(new Item.Properties())); Forge automatically handles the ResourceLocation (modid:alexandrite) based on the name passed into .register(...), so there’s no need to manually assign it. 📝 For the texture: Make sure you have this file in your resources: src/main/resources/assets/tutorialmod/models/item/alexandrite.json { "parent": "item/generated", "textures": { "layer0": "tutorialmod:item/alexandrite" } } And your texture PNG goes here: src/main/resources/assets/tutorialmod/textures/item/alexandrite.png 🌍 For the name in-game: Add this to your en_us.json under: src/main/resources/assets/tutorialmod/lang/en_us.json { "item.tutorialmod.alexandrite": "Alexandrite" }   Note: if im wrong about the issues you are encountering, i apologize.

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