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.
HP Zbook
Intel© Core™ i7-4810MQ CPU @ 2.80GHz × 4
Linux Mint 19.3 64 bit Cinnamon
16GB ram
Graphics NVIDIA Corporation GK104GLM [Quadro K3100M]