Hey whats the problem (1.21)

{ "type": "minecraft:overworld", "generator": { "type": "minecraft:noise", "settings": { "sea_level": 25, "disable_mob_generation": true, "aquifers_enabled": false, "ore_veins_enabled": false, "legacy_random_source": false, "default_block": { "Name": "minecraft:stone" }, "default_fluid": { "Name": "minecraft:water", "Properties": { "level": "0" } }, "noise": { "min_y": 16, "height": 256, "size_horizontal": 1, "size_vertical": 2 }, "noise_router": { "barrier": 30, "fluid_level_floodedness": 4, "fluid_level_spread": 16, "lava": 2, "temperature": 30, "vegetation": -40, "continents": 0.3, "erosion": 0.7, "depth": 0.5, "ridges": 0.3, "initial_density_without_jaggedness": 0.5, "final_density": 0.5, "vein_toggle": 0, "vein_ridged": 0, "vein_gap": 0 }, "spawn_target": [], "surface_rule": { "type": "minecraft:sequence", "sequence": [] } }, "biome_source": { "type": "minecraft:multi_noise", "biomes": [ { "biome": "mach:ruined_wastes", "parameters": { "temperature": 2, "humidity": -1.5, "continentalness": 0.2, "erosion": 0.7, "weirdness": 2, "depth": 0.5, "offset": 0 } } ] } } } { "type": "minecraft:noise", "parameters": { "temperature": 2, "humidity": -1.5, "continentalness": 0.2, "erosion": 0.7, "weirdness": 2, "depth": 0.5, "offset": 0 } }
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