Recipe for modpack datapack seemingly failing to even attempt to be loaded.

[golden galleon]

We can't necessarily help with modded features even if they happen to be data driven. So while the recipe might be added by a data pack, because it's a modded recipe type we can't necessarily point out what's wrong.

At a glance, depending on the version, it's possible that your key entries are not formatted correctly, and/or that the item in the result object should be id, but that's only an assumption based on how vanilla recipes work. You're generally going to get better support from the mod author/documentation

You may be able to clean the issue from logs as well

[wooden tartan]

The issue is as far as I can tell less with the modded aspect of it and more that it's failing to even attempt to be loaded as i can't find anything in the logs relating to it.

Tried making a normal crafting table version of the recipe. It still isn't being loaded D:

{
"type": "minecraft:crafting_shaped",
"group": "mech",
"category": "equipment",
"key": {
"A": {
"item": "scguns:scorched_block"
},
"B": {
"item": "minecraft:black_dye"
},
"C": {
"item": "vp:stellar"
},
"D": {
"item": "mofus_better_end_:titaniumblock"
},
"E": {
"item": "minecraft:netherite_block"
}
},
"pattern": [
"DBA",
"ECE",
"ABD"
],
"result": {
"item": "pomkotsmechsextension:corestone_pmge01",
"count": 1
},
"show_notification": true
}

[golden galleon]

That suggests it's just not in the right folder, which again would fall on the mod author to provide support for

[golden galleon]

If this isn't loading it's still one of the things I said

Not in the correct spot, or incorrect syntax for your Minecraft version

The latter of which would show up in logs if it's not the former

[wooden tartan]

I've also now tried this recipe which is also not being loaded:

{
"type": "minecraft:crafting_shaped",
"group": "mech",
"category": "equipment",
"key": {
"A": {
"item": "minecraft:red_dye"
},
"B": {
"item": "minecraft:black_dye"
},
"C": {
"item": "minecraft:yellow_dye"
},
"D": {
"item": "minecraft:orange_dye"
},
"E": {
"item": "minecraft:netherite_block"
}
},
"pattern": [
"DBA",
"ECE",
"ABD"
],
"result": {
"item": "minecraft:diamond",
"count": 1
},
"show_notification": true
}

under the file name "epictest.JSON"

version is 1.20 if that helps for whatever reason