Probably An Idiot
OMG I AM GETTING TOO MANY RESPONSES FROM EVERYWHERE PLZ STOPYou don't need to make a save. That dat file is how a mod can have separate saves from the main game. If you ever noticed when starting a new mod that does create a dat file that you have no saves with it, that's because the mod created a dat file.
now, what was the last mod you played before you noticed that dat file?
AND BTW I ALLREADY MADE AN ANSWER TO THIS BASICalyademh.ads