And it has been installed via
yarn strapi install graphql
or
npm run strapi install graphql
? Or did you install it without the strapi command? If you did, the GraphQL plugin has not been fully registered in Strapi.
And it has been installed via
yarn strapi install graphql
or
npm run strapi install graphql
? Or did you install it without the strapi command? If you did, the GraphQL plugin has not been fully registered in Strapi.