My modpack keeps crashing

[Coll1n]

I made a modpack on the twitch launcher, it's a 1.12.2 modpack. It crashes instantly every-time i click the play button. it  doesn't even try to load up the game it just crashes. I have been trying to make this modpack work for like 10 days now and i finally decided to come here. Here's the mods by the way

[Ugdhar]

1.12 is no longer supported due to age.

Please update to a modern (1.14.4/1.15.2) version to receive support.

 

More information on supported versions can be found in the LTS link at the top of every page.