UI interface access always comes with Unauthorized (session expired, authorization verification failed)

[smarydj]

problem

When we acess the cloudstack UI interface always it comes with Unauthorized
Session expired, authorization verification failed.

versions

We are Using apache cloudstack 4.21 version.
Operating system = Ubuntu 24.04.3 LTS
Kernal-version-->Linux cs 6.8.0-84-generic #84-Ubuntu SMP PREEMPT_DYNAMIC Fri Sep 5 22:36:38 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux
mysql Ver 8.0.43-0ubuntu0.24.04.2 for Linux on x86_64 ((Ubuntu))

The steps to reproduce the bug

1.Just needs to refresh browser.
2.
3.
...

What to do about it?

No response

[boring-cyborg]

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