At the very beginning of ch6, Evelyn's profil is updated but the variable handling it won't "exists" until you reach that point.When I go to the character background panel/page, all the characters work except Evelyn. When I click on her info, I get the following error [...]
Meaning that you can't access her profil during the first 5 chapter of the game.
The dev omitted to set the default value of "evelyn_prof2_unlock" in "profilemenu.rpy".
Here's a small fix attached: