Hi Caroline ,
Hope you are doing good.
More details will be in the default traces. Run the web diag tool as outlined in note 1045019- "Web diagtool for collecting traces" with "Security" -> "All"
(check preferably in server 0, check Note 1589567) and reproduce the issue.
Do attach the results.
Thank you and have a nice day :).
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Kind Regards,
Hemanth