The forum

This has been brought up before but the posts are quite old. I appear to have the necessary files suggested in those posts anyway.

Getting message. "PlayOnLinux is unable to find 32bits OpenGL libraries. You might encounter problem with your games"

Running from terminal
graeme@xxxxxxx:~$ playonlinux
Looking for python... 2.7.17 - wxversion(s): 3.0-gtk3
selected
1
[main] Message: PlayOnLinux (4.3.4) is starting
[clean_tmp] Message: Cleaning temp directory
libGL error: No matching fbConfigs or visuals found
libGL error: failed to load driver: swrast
X Error of failed request: GLXBadContext
Major opcode of failed request: 154 (GLX)
Minor opcode of failed request: 6 (X_GLXIsDirect)
Serial number of failed request: 37
Current serial number in output stream: 36
[Check_OpenGL] Warning:
Gtk-Message: 09:15:37.416: GtkDialog mapped without a transient parent. This is discouraged.

ive had this issue when i install 4.3.4 from the site, before first installing the version that comes with your distro.

I've seen that warning several times on different Mint PC's I use at home.

Mint still supports the ia-32libs package that can be installed with synaptics package manager.

This usually resolved the problem.... but in other Distros you have to manually install all the 32-bit packages yourself.