Don't care if I get banned for posting this.

Here.
https://www.pcgamesn.com/the-elder-scrolls-v-skyrim/modpocalypse-fix

In quick summary:

Right-click Skyrim Special Edition in Steam, go to Properties -> Updates – Automatic Updates and select “only update this game when I launch it”
Download Extrwi’s updated Skyrim Script Extender from Reddit
Only launch Skyrim from outside of Steam, preferably with your mod organiser of choice


Skyrim Script Extender.
https://www.reddit.com/r/skyrimmods/comments/qrepbn/pc_sse_skse64_210_preliminary_release/
He's been busting his arse to keep your mods working.

Follow his guide.
I can keep using my mods, and can keep enjoying the game the way it was MEANT to be enjoyed.
Without paid mod BS.