Please read the spoiler for more information. Copied from the Skyrim mods reddit.
@everyone Mod Organizer 1 Legacy version 1.3.14 has been uploaded on the MO2 page (Thanks to enpinion aka @Nyreen Kandros ). It contains the fixes and needed changes to get the Nexus downloads and integrations working again. https://www.reddit.c...r_1314_release/
MO1 fix announcement