Flush network option results in error

Installation updated to latest track 5.1.1/5.1/5.1 - ‘Flush Netowrk’ option under Settings results in below error



There was a problem applying your settings.
Debugging information:
PHP error (2): implode(): Invalid arguments passed in /var/www/html/admin/scripts/pi-hole/php/savesettings.php:741

Details about my system:
Raspberry Pi3B+

What I have changed since installing Pi-hole:
Nothing changed - just an in place upgrade

Debug token : Your debug token is: https://tricorder.pi-hole.net/dvpukzgzmh

Did the network table actually flush, despite the error message?

Just to be sure, I rebooted RPi, proceed to flush network. Saw two messages

  • one with error while on top it shows The network table has been flushed for a quick couple of seconds. It seems to have completed network flush despite that error
  • other as shown above

Reported here:

I am having similar error though the network table was flushed
Please what has anyone found a solution?

Not yet. If a developer files a PR it will show up on github first.

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