i have a building made specifically for the recipe a type of deep miner per say...

data:extend({
{
type = "recipe-category",
name = "deep-mining-1"
},
{
type = "recipe-category",
name = "deep-mining-2"
},
{
type = "recipe-category",
name = "deep-mining-3"
},
{
type = "recipe-category",
name = "deep-mining-4"
},
-- deep minning recipies for ores.
{
type ...

that was a mini error on my part, updating post... sadly the error message remains :/

ALTdeepmine error.png
^Difficulty normal: Value must be a string in property tree at ROOT.recipe
data:extend({
{
type = "recipe-category",
name = "deep-mining-1"
},
{
type = "recipe-category",
name = "deep-mining-2"
},
{
type = "recipe-category",
name = "deep-mining-3"
},
{
type ...

how long till updated for Factorio 18