I am Porting to minecraft 26.1 but i get this error: Failed to find official mojang mappings for 26.1

[Tagglagged]

Description

So When i create the project and gradle sets up my project i get the error "Failed to find official mojang mappings for 26.1" every time

[dicedpixels]

Please follow the Docs: https://docs.fabricmc.net/26.1/develop/porting/

[dicedpixels]

Also if you create a fresh project using the template generator, you will not see this issue.

[Tagglagged]

Ok!

[Tagglagged]

Still not working

[Tagglagged]

Do you think you can help me fix it?

[sylv256]

You need to give more information than "it doesn't work"

[Tagglagged]

When i try and build the mod i get the output:

Task :compileJava FAILED

Execution failed for task ':compileJava'.

Java compilation initialization error
error: release version 25 not supported

• 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 from a Build Scan (powered by Develocity).
Get more help at https://help.gradle.org.
BUILD FAILED in 595ms
1 actionable task: 1 executed

[dicedpixels]

Make sure Gradle is using Java 25. Typically it detects the version from JAVA_HOME so make sure it's set.