How can I run Minecraft with mods without the internet?

[suschenkovladislav123-hue]

Operating System

Windows

Description of bug

Failed to update the build due to: Failed to load resource index:
Failed to process workload 'Resource index for Gen and Nikit':
https://piston-meta.mojang.com/v1/packages/1fb34606b21ae29b59b7feef1563466b90244eb0/5.json

Steps to reproduce

i dont know

Suspected cause

No response

This issue is unique

• I have searched the issue tracker and did not find an issue describing my bug.