There is a way to fix this without running third party clients.

The story:
https://www.reddit.com/r/ffxiv/comme...without_using/

TL;DR:
1. Open Terminal
2. Copy/Paste the following command:
cd '/Applications/FINAL FANTASY XIV ONLINE.app/Contents/SharedSupport/finalfantasyxiv' && bin/wine --bottle default --enable-alt-loader macdrv --wait-children --workdir 'C:/Program Files (x86)/SquareEnix/FINAL FANTASY XIV - A Realm Reborn/boot' ffxivboot64.exe
3. Play the game