Dead Cells Modding Help

[RS13]

I'm not sure why, but there's no dead cells nexus, so I'm asking here. I'm trying to make mods for the game, but everytime I try to open on o the mod tools I get the following message:

 

The action for "" argument is not found, please refer to the doc Parameter name: StrAction

 

I ran that through google and all I found was this https://www.reddit.com/r/deadcells/comments/9547r0/modding_atlastool_help/ in which some moron says rtfm without of course, bothering to rtfm and see that the fm says nothing about this. So... does anyone have any idea what could be going on here?