why doesn't my custom sticker pack work

so for some reason the sticker editor isn't showing my stickers and its giving me the invalid pack, i have the json file and the png files, its in the right location and its still not working, can anyone help?

<img width="938" height="302" alt="Image" src="https://github.com/user-attachments/assets/ed0bb0e2-0f60-4133-a421-cafcbd200754" />