GraphQL Error field type must be Input Type but got:

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In GraphQL, an input cannot be used as a type and a type cannot be used as an input. Unfortunately, even if the fields appear identical to an existing type, you always have to define a separate input to use as an argument. Try something like this:

const NotebookDetailsInput = new GraphQLInputObjectType({
  name: 'NotebookDetailsInput',
  fields: () => ({
    id:          { type: GraphQLID },
    description: { type: GraphQLString },
    language:    { type: GraphQLString }, 
  })
});

If using SDL, the same type would look like this:

input {
  id: ID
  description: String
  language: String
}

Please see this answer for an extensive explanation of why it’s necessary to do this.

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