In such case rebooting router fix the issue.
If your network is more complicated, then it can be not easy reboot all of them

If you put the latest firmware 2.38 and you reach step 1 of
Factory ResetYou will reset not only SSID and PASS to your network, but you will also erase memory of last connected network. Maybe this could help.
WiFiLogger is reconnecting router on startup using old settings from previous success communication.
If this operation will not help, then you have to reboot all routers and access points.
