You are recieving saml timouts and has to login again.
Solution:
Check the following ucr variables:
:~# ucr info umc/saml/assertion-lifetime
umc/saml/assertion-lifetime: 300
Defines the SAML assertion validity time in seconds.
Categories: management-umc,saml
Default: 300
Type: uint
ucr set umc/saml/assertion-lifetime=28800
/usr/share/univention-management-console/saml/update_metadata
