Black screen after loading

[chanobraichseo]

Inertia Utility Mod version:3.1.3 Minecraft version:1.12.2 Operating system: Windows10 Optifine/Other mods: Optifine Launcher:LauncherFenix 5.7.8-5

What's the bug:Black Screen after loading. Photos:

Crash-report(if applicable)(located in .minecraft/latest.log): latest.log

(game not crashing, i close it) Final checklist:

• [x] I know how to properly use check boxes.
• [x] I have tried to reproduce this bug after removing all other mods, including Optifine or Sodium.
• [x] I have attemped to reproduce this bug using the latest available release of Inertia

[Godeps2891]

known bug, should be fixed in the next update(no ETA), for now you'll have to use inertia for a different version of minecraft and use viaversion to connect to 1.12 servers

[feliscatusmeows]

duplicate of #618 , also cracked/pirated launchers such as LauncherFenix aren't supported.