Hello there.
The following link will take you to the mod download page on MixMods
Works with most mods for SA, however click on the following link for incompatibility list.
Following link will take you to the collection of bug reports gathered by the community.
Fill in the following form to report a bug and it will be moderated and added to the document.
Have a fresh downgraded game, then get essentials pack, then get the main mod. Don't forget to read the readme.
Join MixMods Discord server for more info and support