the game breaks down if you try to build something from the mod "Modmash subways" on the surface in new worlds, for example underground shaft.
Error while running event modmashsplinterunderground::on_chunk_generated (ID 12)
...splinterunderground__/prototypes/scripts/underground.lua:448: bad argument #2 of 2 to 'random' (interval is empty)
stack traceback:
[C]: in function 'random'
...splinterunderground__/prototypes/scripts/underground.lua:448: in function 'generate_surface_area'
...splinterunderground__/prototypes/scripts/underground.lua:624: in function <...splinterunderground__/prototypes/scripts/underground.lua:598>
[C]: in function 'force_generate_chunk_requests'
...splinterunderground__/prototypes/scripts/underground.lua:421: in function 'generate_surface_area'
...splinterunderground__/prototypes/scripts/underground.lua:2242: in function 'local_ensure_can_place_entity_inner'
...splinterunderground__/prototypes/scripts/underground.lua:2300: in function 'local_ensure_can_place_entity'
...splinterunderground__/prototypes/scripts/underground.lua:2344: in function 'local_underground_added_std'
...splinterunderground__/prototypes/scripts/underground.lua:2632: in function 'local_underground_added'
...splinterunderground__/prototypes/scripts/underground.lua:3257: in function <...splinterunderground__/prototypes/scripts/underground.lua:3256>
stack traceback:
[C]: in function 'force_generate_chunk_requests'
...splinterunderground__/prototypes/scripts/underground.lua:421: in function 'generate_surface_area'
...splinterunderground__/prototypes/scripts/underground.lua:2242: in function 'local_ensure_can_place_entity_inner'
...splinterunderground__/prototypes/scripts/underground.lua:2300: in function 'local_ensure_can_place_entity'
...splinterunderground__/prototypes/scripts/underground.lua:2344: in function 'local_underground_added_std'
...splinterunderground__/prototypes/scripts/underground.lua:2632: in function 'local_underground_added'
...splinterunderground__/prototypes/scripts/underground.lua:3257: in function <...splinterunderground__/prototypes/scripts/underground.lua:3256>
