Problem with RDS UI when promote Aurora read replica

Hello. We want migrate to AuroraDB.

1. We have postgres RDS database instance in us-east-1
2. Created Aurora Read-replica in same region
3. Try to promote read-replica See blank screen in UI. Tried to do this from multiple locations, with multiple browsers, with cleared cache, with incognito - result the same. Error still appear 24h and still not fixed. Feedback with issue sent twice. Errors in browser console:

`browser-polyfill.js:1163 Uncaught (in promise) Error: Cannot read properties of undefined (reading 'allowlisted')
    at wrappedSendMessageCallback (browser-polyfill.js:1163:16)`

DevTools failed to load source map: Could not load content for https://dado4e41kbenk.cloudfront.net/xxxxxxxxxxx/chunkxxxxx.js.map: HTTP error: status code 403, net::ERR_HTTP_RESPONSE_CODE_FAILURE

chunk2477.js:2 TypeError: Cannot read properties of null (reading 'Engine')

Pls help.