I have this new be550. I have cascaded switches always tplink 2.5gb. Access points are connected to the switches but I don't see them in my network. Why?

Ciao a tutti, Continuo a ricevere questo errore nel registro eventi. puoi risolvere? Uso questo tplink come punto di accesso in cascata al modem principale.. grazie.

Hello from Italy. I use this tplink as a cascaded access point to the main modem. i have these errors in the event log. always and continue. can you help me? ps:in the photos the time is updated becau