Field 'cartCreate' doesn't exist on type 'Mutation'

[seongwan]

I am using 2021-10 version . but

it return error  Field 'cartCreate' doesn't exist on type 'Mutation'

this is my code. 

I don't know why this error occurs... somebody helps me 😞

[Yasuhiro]

you have already resolved the problem. but for anyone having the same problem.

I had same problem. you may use admin API.

It is storefront API. so please make sure you use.

https://{{shop}}/api/{{api-version}}/graphql.json