My modsetting.lsx is constantly being overwritten and that's why my mods didn't work. I have marked this file as read-only so it cannot be overwritten by BG3MM. I ignore all error messages when starting the game because my mods are all there and working.
Users\Username\AppData\Local\Larian Studios\Baldur's Gate 3\PlayerProfiles\Public
rightclick the modsetting.lsx > preferences > read-only
As long as there is a problem with this file being overwritten, you must always deactivate this if you want to install new mods and activate it when they are installed.
This may also help with this problem.
"Now, was that civilized? No, clearly not. Fun, but in no sense civilized" ~ Braingremlin
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