Bug on Linux: "open with ...." does not work

[Cons_mgr]

Tested on System: Kernel: 5.4.0-187-generic x86_64 bits: 64 compiler: gcc v: 9.4.0 Desktop: Xfce 4.16.0
tk: Gtk 3.24.20 wm: xfwm4 dm: LightDM Distro: Linux Mint 20.3 Una
base: Ubuntu 20.04 focal

Tested with: XnView Version 1.6.1 (Linux 64bit) - Libformat 7.165

Expected behavior: "Open with ..." should
either
start a suitable application e.g. pix with the selected image (if this application was linked e.g. from the /bin directory with the "configure..." dialog)
or
start the default application with the selected image if F3 / "system" was clicked.

Observed behavior:
Nothing happens in any case, not failure message thrown.

[xnview]

please check logs when started in terminal?