How to resolve ffxiv unable to complete version check?

Okay this fix is NOT for the weak of heart but it did fix the problem for me. DO NOT TRY THIS if you aren't sure what I'm talking about or what I'm doing here. This is NOT a quick fix. This is very much the definition of a LONG fix. This is a "I'm desperate" fix. This is a POWER USER solution, not an everyday user solution. Also... this is a Mac OS X client fix... not a Windows or PS4 client fix, sorry guys. Do not use this solution if you are pregnant or may become pregnant. Do not use this solution if your arm smells like your mother. Do not use this solution standing on your head.

Here's what I did:
Method 1:
Go to "Settings" > "Network" > "Set Up Internet Connection" Select Wifi/LAN as appropriate for your connection. Select "Custom". IP Address Settings = Automatic DHCP Host Name = Do Not Specify DNS Settings = Manual Primary DNS: 8.8.8.8 Secondary DNS: 8.8.4.4 MTU Settings: Automatic Proxy Server: Do Not Use Reboot your PS4 after that and try to launch the game another time.
Only problem was that dns didnt work for me. So you looked up Free and public dns here and changed my to the SAFEDNS. Rebooted ps4 and got into the game. Worth a shot to keep trying different ones if you really want in.

Method 2:
1. Using the unix command line under Mac OS X, under the //Applications folder, I did a 'sudo rm -rf "FINAL FANTASY XIV.app" '
2. Using the unix command line under Mac OS X, under the //Users/<yourusername>/Library/Application Support/ folder and did a 'sudo rm -rf "FINAL FANTASY XIV" '
3. Reinstalled the game from the original .dmg file
4. Login worked normally.

My best guess is that there is something in the preferences files the came caches under the application support folder that says where the launcher gets it's patch data from and it's pointed to the wrong place. Perhaps a URL that DNS hasn't updated. Perhaps a cache purge of some kind might fix this? Don't know, but this worked for me.