I'm getting the same errors with v114. Backing off to 113 made it go away. The scene I was using is
Booth Battle.
<Truncated>
!> RealisticForeskin.FixedUpdate: System.ArgumentNullException: Argument cannot be null.
Parameter name: key
at System.Collections.Generic.Dictionary`2[System.String,JSONStorable].TryGetValue (System.String key, .JSONStorable& value) [0x00000] in <filename unknown>:0
at Atom.GetStorableByID (System.String storeid) [0x00000] in <filename unknown>:0
at RunRudolf.RealisticForeskin.checkDecalMaker () [0x00000] in <filename unknown>:0
at RunRudolf.RealisticForeskin.FixedUpdate () [0x00000] in <filename unknown>:0
!> RealisticForeskin.FixedUpdate: System.ArgumentNullException: Argument cannot be null.
Parameter name: key
at System.Collections.Generic.Dictionary`2[System.String,JSONStorable].TryGetValue (System.String key, .JSONStorable& value) [0x00000] in <filename unknown>:0
at Atom.GetStorableByID (System.String storeid) [0x00000] in <filename unknown>:0
at RunRudolf.RealisticForeskin.checkDecalMaker () [0x00000] in <filename unknown>:0
at RunRudolf.RealisticForeskin.FixedUpdate () [0x00000] in <filename unknown>:0
!> RealisticForeskin.FixedUpdate: System.ArgumentNullException: Argument cannot be null.