Description of the issue:

The game is crashing during the first step of forge initialisation, when it loads IE
The crash logs shows a problem with IE like a missing coremod.

Crashlog:

Crash report:
see on pastebin

Versions & Modlist

My version and modlist are visible in the crash report, I use the last version of 1.12.2 but if you need more informations, you can ask.

Immersive engineering 12-89 is out of date...

Yes, i know, but it's the last on 1.12.2

No it's not. 12.92 is available for 1.12.2 on CurseForge: https://www.curseforge.com/minecraft/mc-mods/immersive-engineering/files/2799143