I changed the info.json to run in 2.1 but the following error comes up when loading. This may be a simple fix but is beyond my pay grade. Is there anyone interested in attempting to make it 2.1 compatible ????

Failed to load mods: Error while loading recipe prototype "low-density-structure" (recipe): In RecipePrototype, category and additional_categories got merged into categories table. Please use that instead.
Modifications: Base mod › Cheaper low density structure (lds) 2.0

Mods to be disabled:
• CheaperLowDensityStructure (2.0.3)