ContributionsMost RecentMost LikesSolutionsRe: Standardization Error I can see the checkboxes now, I guess some features are available only after certain point of time after creating a new login! Re: Standardization Error Yes chichepo , I don't see any checkboxes. I am an aspiring API designer and learning Swagger. Please help me if I had missed anything. Standardization Error On the standardization tab, all the options are disabled hence I can't check any of them and move hover shows the error message as Standardization Error - Can be saved, not published. Any help would be much appreciated. Could not resolve reference - invalid error This is my schema with no reference to inventorySystem but I keep getting the error: Could not resolve the reference #/components/schemas/inventorySystem at line no 60 though it has only 55 lines! Any help would be much appreciated. openapi: 3.0.0 servers: # Added by API Auto Mocking Plugin - description: SwaggerHub API Auto Mocking url: https://virtserver.swaggerhub.com/KRISRAJZ/Customer/1.0.0 info: description: This is an API for HPlus Sport Customers version: "1.0.0" title: Customers API contact: email: you@yhplussport.com license: name: Apache 2.0 url: 'http://www.apache.org/licenses/LICENSE-2.0.html' tags: - name: customer description: customer related calls paths: /customer: get: tags: - customer summary: searches customer operationId: searchCustomer description: | By passing in the appropriate options, you can search for available customer in the system responses: '200': description: search results matching criteria content: application/json: schema: type: array items: $ref: '#/components/schemas/Customer' '400': description: bad input parameter components: schemas: Customer: type: object required: - name - customerNumber properties: customerNumber: type: string example: 'Cus001' name: type: string example: 'Raj' phone: type: string example: '728-234-234' Solved