ok so i want to custom a biome on minecraft 1.20 but the problem is how ?

i have actually created a datapack with datapack_name/data/domaine_name/dimension(here a dimension file that i created here https://misode.github.io/dimension/?version=1.19&preset=overworld) and the biome file in domaine_name/worldgen/biome but when i use /locate biome mybiome in minecraft it says could not find this biome on reasonable distance but the thing is minecraft propose me the biome in the command.

does someone know how to fix this ?