Hm. This is strange and I don't reproduce it taking the same paths that would lead to that specific line - both in my dev build or in the x32 client, the game continues to run as expected. While I can't explain why this is happening, if you want a quick fix, I think you may be able to copy and paste the script file I just uploaded here and paste it over the existing in the ErisasSummer-0.5.0-pc/game/ directory (overwrite existing files if prompted).