Error in LogFile after Restart HA

When restarting HA, the same errors always appear in the log from which I can’t find out. Can someone help me with that?

[0x0000:1:0x0006]: async_initialize: all attempts have failed: [TimeoutError(), TimeoutError(), TimeoutError(), TimeoutError()]

19:38:00 – (WARNUNG) Zigbee Home Automation

http://19x.xxx.xxx:8123/frontend_latest/core.0edfd71e.js:1:6900 SyntaxError: JSON Parse error: Expected ‘]’

19:37:22 – (FEHLER) components/system_log/init.py - Die Nachricht ist zum ersten Mal um 19:37:11 aufgetreten und erscheint 545 mal

Received Type.ACK from <aiocoap.transports.tinydtls.DTLSClientConnection object at 0x6faabda8>, but could not match it to a running exchange.

19:37:13 – (WARNUNG) /usr/local/lib/python3.9/site-packages/aiocoap/messagemanager.py - Die Nachricht ist zum ersten Mal um 19:37:13 aufgetreten und erscheint 2 mal

Setup of automation is taking over 10 seconds.

19:37:13 – (WARNUNG) /usr/local/lib/python3.9/asyncio/events.py