Hello,
I am using IPA version 4.8.7.
Bellow I've attached a snippet from /var/log/httpd/error_log :
[Wed Sep 01 11:36:32.899803 2021] [wsgi:error] [pid 3151741:tid 140666734245632] [remote
10.30.226.104:18475] ipa: INFO: 401 Unauthorized: Insufficient access: Invalid
credentials
[Wed Sep 01 11:36:32.921732 2021] [:warn] [pid 3151745:tid 140666654897920] [client
10.30.226.104:18475] failed to set perms (3140) on file
(/run/ipa/ccaches/romai(a)EXAMPLE.COM)!, referer:
https://ipaprd01.ipa.example.com/ipa/ui/
[Wed Sep 01 11:36:32.927374 2021] [wsgi:error] [pid 3151740:tid 140666734245632] [remote
10.30.226.104:18475] ipa: INFO: 401 Unauthorized: Major (851968): Unspecified GSS failure.
Minor code may provide more information, Minor (108962060): Credential cache is empty
kinit from the console , for the same user, works properly and I can get a ticket.