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Reason: CORS request external redirect not allowed
What went wrong?
The CORS request was responded to by the server with an HTTP redirect to a URL on a different origin than the original request, which is not permitted during CORS requests.
For example, if the page
https://service.tld/fetchdata were requested, and the HTTP response is "301 Moved Permanently", "307 Temporary Redirect", or "308 Permanent Redirect" with a
https://anotherservice.net/getdata, the CORS request will fail in this manner.
To fix the problem, update your code to use the new URL as reported by the redirect, thereby avoiding the redirect.