Hi All,
Strange issue, we have a set of pages in our environments that since moving from on-prem to cloud aem are now intermittently (more often then not) open to a blank authoring page with just 'header overflow'.
Nothing comes in the network tab while this page 'loads' and the console errors shows:
'Failed to load resource: the server responded with a status of 503 ()'
'Access to XMLHttpRequest At '...' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access Control Allow Origin' header is present on the requested resource.'
Has anybody seen this before and could suggest anything I can do to correct this?