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Invalid Mappings? (Just getting started)

dodo_bear

By dodo_bear
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dodo_bear Tree Puncher

dodo_bear

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Posted

I'm attempting to create my first minecraft mod, using ForgeGradle and Intellij IDEA. I've been following McJty's tutorial (https://www.mcjty.eu/docs/1.20/ep1) and just finished making the changes to the properties and build files. When I executed the command "gradle genIntellijRuns" through the gradle tab, I recieved this error message:

> Task :createMcpToSrg FAILED

Execution failed for task ':createMcpToSrg'.
> Invalid mappings: task ':createMcpToSrg' property 'mappings' Could not find archive

* Try:
> Run with --stacktrace option to get the stack trace.
> Run with --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 4s
3 actionable tasks: 2 executed, 1 up-to-date
Watched directory hierarchies: [C:\Users\timot\OneDrive\Documents\Java\Minecraft Modding\aegisprotocol]

 

I looked for a solution on the forums and found a suggestion to change my mapping type in the properties file from official to parchment, but making this change resulted in the same error. Any ideas as to what I'm doing wrong?

  • 6 months later...
Solo Incrementing Tree Puncher

Solo Incrementing

Posted
Posted

I encountered this issue and the problem for me is that the mapping_version value in gradle.properties was wrong, I am using minecraft version 1.21.4 and parchment mappings version should be 2025.02.16.
I was supposed to have mapping_version=2025.02.15-1.21.4 but I had a typo where I wrote 2024 instead of 2025 which caused the issue.
Make sure it's correctly formatted like this:
mapping_version={YEAR}.{MONTH}.{DATE}-{MINECRAFT_VERSION}
And maybe make sure you didn't misspell the mapping_channel=parchment either.

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