"Invalid stoi argument" error?

[Enfyny]

Few days ago i played game normally, but now i can't run it, because of the error. So, how to fix it?

[Charile]

stoi argument, is possibly a function in their game. That's funny and I'm curious to see why that happened.

[Goilveig]

Are you using any third party programs?

stoi is the standard C/C++ library function to translate a string to an integer, it could mean a config file is corrupted (e.g. it's trying to read a non-numeric string as a number).

I'd remove any 3rd party programs temporarily, and try moving the config files (CustomConfig.conf, KeyboardBinds.conf, XboxBinds.conf) to a different folder. If that doesn't work try checking your steam cache, but the configuration files are the most likely place to see string -> integer parsing.