Topic category: Troubleshooting, bugs, and solutions
I have an error while trying to open workspace. I restarted it many times, and it still not working.
Executing Gradle synchronization tasks
Build info: MCreator 2025.2.28610, neoforge-1.21.4, 64-bit, 32506 MB, Windows 10, JVM 21.0.7, JAVA_HOME: D:\MCreator\jdk, started on: 2025-12-24-22:24:47
> 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 ':neoFormRuntimeDependenciesNeoForgeClasses'.
> Could not download neoforge-21.4.137-userdev.jar (net.neoforged:neoforge:21.4.137)
> Could not get resource 'https://maven.neoforged.net/releases/net/neoforged/neoforge/21.4.137/ne…'.
> 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 1m 40s
1 actionable task: 1 executed
BUILD FAILED
Task completed in 1 minute and 40 seconds