Iris and Minecraft Version

iris-and-sodium-mc1.17-1.1.2+build.9

Are you running Sodium along with Iris?

Yes

Operating System

Windows 10

What is your GPU?

Radeon 7

Java Version

16

Reproduction Steps

start the installer

Crash Report file and latest.log

no main manifest attribute, in iris-and-sodium-mc1.17-1.1.2+build.9.jar

Additional context

the iris installer wonmt launch when i try to run it over the console it says:
no main manifest attribute, in iris-and-sodium-mc1.17-1.1.2+build.9.jar

You are trying to run a mod jar directly. Place it in your mods folder or use the installer. Future support should be on the discord rather than GitHub issues