Topic category: Help with MCreator software
MCreator version - 2025.3
Windows.
When I try to start a new project or open an old one, I get this error:
Executing Gradle synchronization tasks
Build info: MCreator 2025.3.44519, neoforge-1.21.8, 64-bit, 32607 MB, Windows 10, JVM 21.0.8, JAVA_HOME: C:\Program Files\Pylo\MCreator\jdk, started on: 2025-11-04-16:45:16
> Task :createMinecraftArtifacts
> Task :createMinecraftArtifacts FAILED
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':createMinecraftArtifacts'.
> Error while evaluating property 'artifactManifestEntries' of task ':createMinecraftArtifacts'.
> Could not resolve all artifacts for configuration ':neoFormRuntimeExternalTools'.
> Could not download DiffPatch-2.0.0.36-all.jar (io.codechicken:DiffPatch:2.0.0.36)
> Could not get resource 'https://maven.neoforged.net/releases/io/codechicken/DiffPatch/2.0.0.36/…'.
> Read timed out
> Could not download jst-cli-bundle-1.0.74.jar (net.neoforged.jst:jst-cli-bundle:1.0.74)
> Could not get resource 'https://maven.neoforged.net/releases/net/neoforged/jst/jst-cli-bundle/1…'.
> Read timed out
> Could not download mergetool-1.1.7-fatjar.jar (net.minecraftforge:mergetool:1.1.7)
> Could not get resource 'https://maven.neoforged.net/releases/net/minecraftforge/mergetool/1.1.7…'.
> Read timed out
> Could not download Quack-0.4.10.101.jar (net.covers1624:Quack:0.4.10.101)
> Could not get resource 'https://maven.neoforged.net/releases/net/covers1624/Quack/0.4.10.101/Qu…'.
> Read timed out
> Could not download fastutil-8.3.1.jar (it.unimi.dsi:fastutil:8.3.1)
> Could not get resource 'https://maven.neoforged.net/releases/it/unimi/dsi/fastutil/8.3.1/fastut…'.
> Read timed out
> Could not download commons-lang3-3.9.jar (org.apache.commons:commons-lang3:3.9)
> Could not get resource 'https://maven.neoforged.net/releases/org/apache/commons/commons-lang3/3…'.
> Read timed out
> Could not download commons-compress-1.18.jar (org.apache.commons:commons-compress:1.18)
> Could not get resource 'https://maven.neoforged.net/releases/org/apache/commons/commons-compres…'.
> Read timed out
> Could not download xz-1.8.jar (org.tukaani:xz:1.8)
> Could not get resource 'https://maven.neoforged.net/releases/org/tukaani/xz/1.8/xz-1.8.jar'.
> Read timed out
> Could not download asm-util-9.5.jar (org.ow2.asm:asm-util:9.5)
> Could not get resource 'https://maven.neoforged.net/releases/org/ow2/asm/asm-util/9.5/asm-util-…'.
> Read timed out
> Could not download asm-analysis-9.5.jar (org.ow2.asm:asm-analysis:9.5)
> Could not get resource 'https://maven.neoforged.net/releases/org/ow2/asm/asm-analysis/9.5/asm-a…'.
> Read timed out
> Could not download asm-tree-9.5.jar (org.ow2.asm:asm-tree:9.5)
> Could not get resource 'https://maven.neoforged.net/releases/org/ow2/asm/asm-tree/9.5/asm-tree-…'.
> Read timed out
> Could not download asm-9.5.jar (org.ow2.asm:asm:9.5)
> Could not get resource 'https://maven.neoforged.net/releases/org/ow2/asm/asm/9.5/asm-9.5.jar'.
> Read timed out
> Could not download srgutils-0.4.15.jar (net.minecraftforge:srgutils:0.4.15)
> Could not get resource 'https://maven.neoforged.net/releases/net/minecraftforge/srgutils/0.4.15…'.
> Read timed out
* Try:
> Run with --stacktrace option to get the stack trace.
> Run with --info or --debug option to get more log output.
> Run with --scan to get full insights.
> Get more help at https://help.gradle.org.
BUILD FAILED in 2m 54s
1 actionable task: 1 executed
BUILD FAILED
Task completed in 2 minutes and 54 seconds
I tried to solve this problem on my own and reinstalled MCreator, but it didn't work.
Please help.
Can you access https://maven.neoforged.net/releases/io/codechicken/DiffPatch/2.0.0.36/DiffPatch-2.0.0.36-all.jar ?
Yes, the file starts downloading, but it takes a long time.