Drag the file Tmex-DualWeddingSystems.ts4script into your Documents\Electronic Arts\The Sims 4\Mods folder.

You can select which system to use even if you own the MWS pack.

It enables base game weddings to take place on the newer "Wedding Venue" lot types.

To download and install the fix, you can visit the official TwistedMexi Patreon or their Mod Website . Obtain the .zip file from the official source.