Can't load, give me this:
Failed to load mods: reskins-assets-api/prototypes/string-validator.lua:2: module prototypes.Validator not found; no such file reskins-assets-api/prototypes/prototypes/Validator.lua no such file reskins-assets-api/prototypes/Validator.lua no such file core/lualib/prototypes/Validator.lua
stack traceback:
[C]: in function 'require'
reskins-assets-api/prototypes/string-validator.lua:2: in main chunk
[C]: in function 'require'
...kins-assets-api__/assets/base/entities/pipe-pictures.lua:4: in main chunk
[C]: in function 'require'
reskins-assets-api/api/icon-helpers.lua:6: in main chunk
[C]: in function 'require'
reskins-assets-api/assets/base/base-icons.lua:4: in main chunk
[C]: in function 'require'
reskins-nullius/prototypes/entities/locomotives.lua:5: in main chunk
[C]: in function 'require'
reskins-nullius/data-updates.lua:4: in main chunk

Mods to be disabled:
• reskins-nullius (0.1.1)

I'm getting the same error.

This has been fixed in Artisanal Reskins: Assets API. Turns out that when you load a mod via zip-package, it's case-sensitive, and when you load via folder, it's not (on Windows). 😭