failed to load mods : cargo-ships/prototype/resources-new.lua:120:attempt to index field 'map_gen_settings' (a nil value)

Is this something that needs to be fixed on your end or their end?

I'll take a look.

Failed to load mods: cargo-ships/prototypes/resources-new.lua:120: attempt to index field 'map_gen_settings' (a nil value)
stack traceback:
cargo-ships/prototypes/resources-new.lua:120: in main chunk
[C]: in function 'require'
cargo-ships/data-updates.lua:2: in main chunk

I am having the same problem. I can get Cargo Ships to work if I don't install Solar System...

Same thing here. Disabling or deleting Solar System++ makes everything load without issue.