Error: count(): Parameter must be an array or an object that implements Countable

[Mueke666]

Hello,

i want to Add a Handler to a Host Group but i can`t. If i change it to one host (not a Group), then it works fine.

icinga web 2 Version: 2.9.5 icinga2 Version: version: r2.13.2-1 Trapdirector Version: 1.0.7a

Thanks for your Help

[schuetzi99]

I have the same problem here. Icinga Web 2 Version 2.9.5 PHP-Version 7.2.24 Trapdirector Version: 1.0.6

[Gninieb]

I have the same problem too. It occurs when you use "select by hostgroup", it works if using only the host which has created a trap works.

Icinga Web 2 Version 2.10.1 Trapdirector Master PHP 7.4.3

[Tqnsls]

Here we are facing this issue, too trapdirector 1.0.7a