WARNING: erroneous pipeline: could not set property "fx-enable" in element "viperfx" to "conv-enable="

[rabaimorp]

$ viper start
Setting original sink to full volume...
Changing primary sink to Viper...
/usr/bin/viper: line 43: /etc/viper4linux/audio.conf: No such file or directory
Moving existing audio streams to Viper...
WARNING: erroneous pipeline: could not set property "fx-enable" in element "viperfx" to "conv-enable="

After this all my audio cuts out until "viper stop"

I use:
Arch Linux
Pipewire
Stable 6.8.7-arch1-1 kernel
the aur package of viper4linux