X11 error on start

[AndyM48]

Starting stalonetray from a terminal I get the following error:

X11 error: BadWindow (invalid Window parameter) (request: X_GetProperty, resource 0x14)
X11 error 3 detected at xembed.c:518:xembed_retrive_data

Arch(Artix) Linux 6.10.2
Stalonetray 0.8.5-1

stalonetrayrc.txt