Minecraft isn't liking my feature

voidlings:patch_void_bloom
{
    "type": "minecraft:random_patch",
    "config": {
        "tries": 10,
        "xz_spread": 7,
        "y_spread": 3,
        "feature": {
            "feature": {
                "config": {
                    "to_place": {
                        "type": "minecraft:simple_state_provider",
                        "state": {
                            "Name": "voidlings:void_bloom"
                        }
                    }
                },
                "type": "minecraft:simple_block"
            },
            "placement": [
                {
                    "type": "minecraft:block_predicate_filter",
                    "predicate": {
                        "type": "minecraft:matching_blocks",
                        "offset": [
                            5,
                            0,
                            5
                        ],
                        "blocks": [
                            "voidlings:black_acid",
                            "voidlings:liquid_acid"
                        ]
                    }
                },
                {
                    "type": "minecraft:block_predicate_filter",
                    "predicate": {
                        "type": "minecraft:matching_blocks",
                        "blocks": "minecraft:air"
                    }
                }
            ]
        }
    }
}

error:

Errors in registry minecraft:root:

Errors in element minecraft:worldgen/placed_feature:
java.lang.IllegalStateException: Unbound values in registry ResourceKey[minecraft:root / minecraft:worldgen/placed_feature]: [voidlings:patch_void_bloom]