after digging I identified the line of code causing the issue is in /data/World/Overworld.json line 2866
((logic_crater_boulder_jumpslash or logic_crater_boulder_skip) and boulder_type('DMC_BOULDER_NEAR_FAIRY') in ['BOULDER_TYPE.BROWN', 'BOULDER_TYPE.BRONZE'] and Megaton_Hammer) or
whatever the parser is doing there it's throwing an error, one solution that worked for me was to split the "in" check into separate "==" checks for each type,
when creating a seed with either of these detailed logic tricks it spits out the error
after digging I identified the line of code causing the issue is in /data/World/Overworld.json line 2866
((logic_crater_boulder_jumpslash or logic_crater_boulder_skip) and boulder_type('DMC_BOULDER_NEAR_FAIRY') in ['BOULDER_TYPE.BROWN', 'BOULDER_TYPE.BRONZE'] and Megaton_Hammer) or
whatever the parser is doing there it's throwing an error, one solution that worked for me was to split the "in" check into separate "==" checks for each type,