This is the error i'm seeing when I try and run The Wasteland and SoDead_FarmLifeExpanded mods together - no other mods present.
The effect of this is that all the sets of Perk Books show as -1/-1 instead of 0/7 and no longer work. Everything else appears to be functional. What I don't understand is that I don't see the SoDead_FarmLifeExpanded mod making any changes to the Perk Books. The Wasteland adds 2 sets of Perk Books to be collected and the SoDead_FarmLifeExpanded mod adds a Perk category for Farming, which is present and appears usable. Both mods work fine on their own.