InvalidPathException: Trailing char < > at index 8: unstable That means it's trying to read a settings called "Unstable" with a space at the end, which it doesn't like. FirearmUseDamageChance = true MaximumRatIndex = 200 The maximum setting for this is 50, not 200.  

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Did you figure out which mod was causing it? I noticed it happen the other day too in my modded run