I can't get the sound reminder to work in korganizer (or evolution Calendar). I've tried an mp3 file and an ogg file in both problems, but neither sound file make a noise at the appointed time.

Right now I'm trying to get korganizer working. I'm using version 5.2.3 in a virtual machine with guest OS Debian 9.8. I've already checked, and the sound card is enabled in the VM.

Help please!

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