{
"message": "Invalid or incomplete introspection result. Ensure that you are passing \"data\" property of introspection response and no \"errors\" was returned alongside: { entry: { polymer_entities: [Array], assemblies: [Array] } }",
"stack": "Error: Invalid or incomplete introspection result. Ensure that you are passing \"data\" property of introspection response and no \"errors\" was returned alongside: { entry: { polymer_entities: [Array], assemblies: [Array] } }\n at devAssert (webpack-internal:///../../../node_modules/graphql/jsutils/devAssert.mjs:7:11)\n at buildClientSchema (webpack-internal:///../../../node_modules/graphql/utilities/buildClientSchema.mjs:41:254)\n at eval (webpack-internal:///./components/GraphiQL.js:895:57)"
}