Ошибка в INTELLIJ IDEA

Короче, было скучно, решил по приколу создать свою версию майна, делаю по гайду, запускаю setup (Всё делалось в INTELLIJ IDEA) и.. В-вот:

> Task :mcp:setupMCP
Setting up MCP environment
Initializing steps
Executing steps
> Running 'downloadManifest'
> Running 'downloadJson'
> Running 'downloadClient'
> Running 'downloadServer'
> Running 'stripClient'
> Running 'stripServer'
> Running 'merge'
> Running 'rename'
> Running 'mcinject'
> Running 'listLibraries'
> Running 'decompile'
Error: Could not create the Java Virtual Machine.
Error: Could not create the Java Virtual Machine.

Error: A fatal exception has occurred. Program will exit.
Error: A fatal exception has occurred. Program will exit.

Invalid maximum heap size: -Xmx4G
The specified size exceeds the maximum representable size.

> Task :mcp:setupMCP FAILED

что делать???
Версия INTELLIJ IDEA 2024.1.1 Portable (вроде)