I'm guessing this is from this mod based on the error text, ran into this when recruiting Daisy. I also have NPC portrait replacements from https://itch.io/t/5551480/semi-realistic-portraits-ai-optional-npc-replacements so this could be an incompatibility. Seems to be harmless though.
Invalid get index 'lips_arics' (on base: 'Dictionary'). at: process_chardata (res://tmp/modded_ch_statlist.gd:1173)
Invalid get index 'lips_arics' (on base: 'Dictionary'). at: process_chardata (res://src/character/ch_dyn_stats.gd:866)