I cant get this mod to work
it said there is a "nil value for hydrogen"
is there a way i can fix this my self?

Are you using the latest version? it's working me.

yes

No idea what could it be then... you have all the required mods too right?

Cant load the game with mods.
Runing FActorio 0.17.3
Installed mods:
Sea Block
Sea Block Pack
A Sea Block Config
Error log below:

3.918 Loading mod SeaBlock 0.3.5 (data.lua)
3.920 Error ModManager.cpp:1294: Failed to load mod "SeaBlock": SeaBlock/data.lua:8: attempt to index field 'character' (a nil value)
stack traceback:
SeaBlock/data.lua:8: in main chunk
3.922 Loading mod core 0.0.0 (data.lua)
3.999 Checksum for core: 995669552
4.354 Error ModManager.cpp:1294: Error in assignID, recipe-category with name 'crafting' does not exist.

You(NickNewport) are missing:
Bob's Metals, Chemicals and Intermediates

I had the same problem when I found this discussion with a slightly different error of alloy possessing: https://mods.factorio.com/mod/SeaBlock/discussion/5a5f1b0dadcc441024d76e2b

Somehow, they left that dependency out of the list, but there were no errors that came without installing it.