# Error message: Cannot query field \\"book\\" on type \\"Query\\"." **URL:** \ **Category:** Schema Design\ **Tags:** federation\ **Created:** [April 25, 2024, 9:50pm UTC](https://community.apollographql.com/t/error-message-cannot-query-field-book-on-type-query/7429 "2024-04-25T21:50:14Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![sunnytoolsmiths](https://sea1.discourse-cdn.com/flex019/user_avatar/community.apollographql.com/sunnytoolsmiths/32/4834_2.png) [@sunnytoolsmiths](https://community.apollographql.com/u/sunnytoolsmiths)\ **Post date:** [April 25, 2024, 9:50pm UTC](https://community.apollographql.com/t/error-message-cannot-query-field-book-on-type-query/7429/1 "2024-04-25T21:50:14Z")
Hey Team, I was fetching the data from a REST Endpoint following this document > **[Fetching from REST](https://www.apollographql.com/docs/apollo-server/data/fetching-rest)** > > Using RESTDataSource to fetch data from REST APIs but I kept getting the error message. Can you please advise? thank you! This is the resolver: ![image](https://us1.discourse-cdn.com/flex019/uploads/apollographql/original/2X/3/3362cbf203539a6b38b5ae108e921778c50ea4e3.jpeg) ---
**Author:** ![system](https://sea1.discourse-cdn.com/flex019/user_avatar/community.apollographql.com/system/32/5529_2.png) [@system](https://community.apollographql.com/u/system)\ **Post date:** [May 1, 2024, 9:00pm UTC](https://community.apollographql.com/t/error-message-cannot-query-field-book-on-type-query/7429/2 "2024-05-01T21:00:54Z")
Unlisted on May 1, 2024, 9:00pm UTC ---
**Author:** ![system](https://sea1.discourse-cdn.com/flex019/user_avatar/community.apollographql.com/system/32/5529_2.png) [@system](https://community.apollographql.com/u/system)\ **Post date:** [May 4, 2024, 3:55am UTC](https://community.apollographql.com/t/error-message-cannot-query-field-book-on-type-query/7429/3 "2024-05-04T03:55:33Z")
Listed on May 4, 2024, 3:55am UTC