If you are a a playing 0.41 or higher you can ignore this.

Did you get this error? Failed to load: img/faces/people2.png

You can get the fix over here: 

Small Bugfix for the latest Public version 0.40 | Parodos on Patreon

Or - If you are an DIY-person: 

A quick fix for failed to load errors is just copying a file in the same folder and renaming it to the missing file