was it by any chance an error involving MacFsWatcher? I had the same problem when building but commenting out the line "using MacFsWatcher" worked for me
yes i commented out this line at first second after importing lootlocker sdk, i had another problem
after response of lootlocker employee i was able to fix it
organizer approved live hotfix so now working leaderboards in game!
after response of lootlocker employee i was able to fix it