schema is null - trying to create a new single type called main menu.

```
FormModalHeader@http://localhost:1337/admin/node_modules/.strapi/vite/deps/chunk-RAPCCABZ.js?v=5b8a7d08:5464:7
renderWithHooks@http://localhost:1337/admin/node_modules/.strapi/vite/deps/chunk-XUW2YTNL.js?v=5b8a7d08:11568:35
updateFunctionComponent@http://localhost:1337/admin/node_modules/.strapi/vite/deps/chunk-XUW2YTNL.js?v=5b8a7d08:14602:28
beginWork@http://localhost:1337/admin/node_modules/.strapi/vite/deps/chunk-XUW2YTNL.js?v=5b8a7d08:15944:22
beginWork$1@http://localhost:1337/admin/node_modules/.strapi/vite/deps/chunk-XUW2YTNL.js?v=5b8a7d08:19781:22
performUnitOfWork@http://localhost:1337/admin/node_modules/.strapi/vite/deps/chunk-XUW2YTNL.js?v=5b8a7d08:19226:20
workLoopSync@http://localhost:1337/admin/node_modules/.strapi/vite/deps/chunk-XUW2YTNL.js?v=5b8a7d08:19165:30
renderRootSync@http://localhost:1337/admin/node_modules/.strapi/vite/deps/chunk-XUW2YTNL.js?v=5b8a7d08:19144:15
recoverFromConcurrentError@http://localhost:1337/admin/node_modules/.strapi/vite/deps/chunk-XUW2YTNL.js?v=5b8a7d08:18764:42
performSyncWorkOnRoot@http://localhost:1337/admin/node_modules/.strapi/vite/deps/chunk-XUW2YTNL.js?v=5b8a7d08:18907:28
flushSyncCallbacks@http://localhost:1337/admin/node_modules/.strapi/vite/deps/chunk-XUW2YTNL.js?v=5b8a7d08:9135:30
node_modules/react-dom/cjs/react-dom.development.js/ensureRootIsScheduled/<@http://localhost:1337/admin/node_modules/.strapi/vite/deps/chunk-XUW2YTNL.js?v=5b8a7d08:18655:21

```
      