Mistakes were made, we are totally embarrassed.
But all we can do it fix it and move forward, can't go back.
Here is a link where you can download the fixed v54 files. https://drive.google.com/file/d/1HSH9vH ... drive_link
Cut and paste the files in this zip file into the Scen folder of you v54 game install:
That's it, you can now run your game - your game will be v54 game will v53.01 scenario files.
Any new games that had been started with v54, we recommend abandoning and restarting those with the repaired install (per above). This is both AI and PBEM games.
PBEM games will still require going through the keycode update process, per this link. https://forums.matrixgames.com/viewtopic.php?t=416370
Again, apologies for the FUBAR. We will learn from it. And thanks to Dreamslayer, Q-Ball and others who spotted these issues where we missed them !