Error after Firmware Update of Conbee2

i manualy updated my conbee2 on my raspian like in your documentation:

everything works without errors.

but now i can’t login any more to the phoscon webinterface.
here you see the login page:

any ideas what i can do to solve the problem?
thx stefan

Can you share some logs? In #deconz you can find out how to make them.

ok, siehe hier:


That’s hardly the boot of it.

Can you let it run for a few minutes?