Lost connection to internet netgear 6220 luci 19.07

netgear 6220 luci 19.07.7 found in logs:

Wed May 12 14:26:48 2021 daemon.info pppd[1447]: System time change detected.
Wed May 12 14:27:12 2021 daemon.err collectd[1815]: Sleeping only 2s because the next interval is 41023.881 seconds in the past!

when this log entry appeared my router at that time lost connection to the internet
Lately it happens every now and then and I don't know how to deal with it

If someone had similar problems maybe there is a solution

thank you