I've never encountered anything like this, I'd be worried something is up with your hard drive.
You run running a data recovery program such as Disk Drill to try and retrieve the files.
To prevent issues like this you should look into version control systems such as GIT or SVN.
I personally use...
This isn't really plugin material.
The switches, variables and common events are an editor feature.
The easiest way of doing this is opening the System.json file, and just manually adding your switches and variables, and then manually add your common events in the CommonEvents.json(Make sure to...
Just add this to your plugins folder and enable it. I got too lazy to figure out how to prevent the user from saving over the file, but that wasn't a requirement. I'll look into it later and let you know if I figure it out.
If you run into any issues just let me know and I'll fix them.
I think I got something working for this.
The first member of the party is only shown on the map.
Menu screens and combat will just show the other members.
Check it out here
Nothing special with the plugin, just add it like normal.
This should work well with other plugins too.
If have you any...
A bust of my character, Lizzabelle, that I put together in GIMP. I combined the RMMZ generated face with my actual illustration of her. This is just me experimenting with busts. I don't really want to use busts in dialogue, but perhaps in the character menu.