Compact and UPS-friendly 1x1 loaders. Works with train cargo wagons, circuits, filters, and modded belts from Bob's, Krastorio, FactorioExtended Plus, Space Exploration, and Ultimate Belts.
2.293 Loading mod miniloader 1.15.6 (data.lua)
2.299 Error ModManager.cpp:1558: Failed to load mod "miniloader": miniloader/prototypes/entities.lua:27: attempt to index local 'entity' (a nil value)
stack traceback: miniloader/prototypes/entities.lua:27: in function 'create_loaders' miniloader/data.lua:9: in function 'create_miniloader' miniloader/data.lua:17: in main chunk
2.300 Loading mod core 0.0.0 (data.lua)
2.398 Checksum for core: 3744854889
2.454 Error ModManager.cpp:1558: Error in assignID: recipe-category with name 'crafting' does not exist.
I've checked all my mods, and it looks like Advanced Belts causes issues, but only if bundled with Space Exploration in my case.
Since you haven't provided your mod list, can't say for sure