[packman] openSUSE 42.3: Packman xpaint 2.10.2-2.1 fails to start

[Roger Price]

inxi -SG reports

System:    Host: titan Kernel: 4.4.92-31-default x86_64 (64 bit) Desktop: Xfce 4.12.2 Distro: openSUSE Leap 42.3
Graphics:  Card: NVIDIA GF100GL [Quadro 4000]
            Display Server: X.Org 1.18.3 driver: nvidia Resolution: 2560x1440 at 59.95hz, 2560x1440 at 59.95hz
            OpenGL: renderer: Quadro 4000/PCIe/SSE2 version: 4.5.0 NVIDIA 384.69

I used YaST to install xpaint-2.10.1-2.1.x86_64 from the Packman repository, 
but when I try to run it, I get

X Error of failed request:  BadValue (integer parameter out of range for 
operation)

   Major opcode of failed request:  12 (X_ConfigureWindow)
   Value in failed request:  0x0
   Serial number of failed request:  5895
   Current serial number in output stream:  8794

Roger