Unable to connect to shopify development store

[coderom]

To create a shopify checkout extension app I followed the process described in the dcoumentation. So after running npm run dev 

Finished creating a dev store?

> (y) Yes, Developer has a new dev store
(n) No, cancel dev

Press ↑↓ arrows to select, enter or a shortcut to confirm.
? Finished creating a dev store?
✔ Yes, Developer has a new dev store

Looks like you don't have a dev store in the Partners org you selected. Keep going — create a dev store on Shopify Partners:
https://partners.shopify.com/3251766/stores/new?store_type=dev_store

why i am getting this error ?

[BrainStation23]

HI@coderom 
You went to create a shopify checkout extension app but you have an error to don't have a dev store in the Partners ,It happens
Try the flowing step i thing that help you 
1. Create a partner account -> Create  
2. Then login you partner account ->Go to store ->create develop store