AFP error -1 mapped to EIO

Hello all,

for some time now I get an recurring error message:

"There was a problem connecting to the server 192.168.123.45"

--> This IP adress does no longer exist, as I reconfigured my network and used a differnt IP range.

The console tells me:

Sender: NetAuthSysAgent

Message: AFP error -1 mapped to EIO

I searched (finder/ grep/ google/ etc.) everywhere, but I just can not find anything.

Please can anybody help to remove this configuration/ problem.

Greetings,

Christian