X-Wing TMG - 2.0 Squad Spawn Error

Error occurring when trying to create the squadron in X-Wing, when clicking on the “2.0 Squad Spawn” button.
Usually happens when trying to play offline (despite selecting Play Offline during initial startup)

The following error log is created:
2019-08-11 18:59:14,310 [0-main] INFO VASSAL.launch.StartUp - Starting
2019-08-11 18:59:14,313 [0-main] INFO VASSAL.launch.StartUp - OS Windows 10 10.0
2019-08-11 18:59:14,313 [0-main] INFO VASSAL.launch.StartUp - Java version 1.8.0_211
2019-08-11 18:59:14,313 [0-main] INFO VASSAL.launch.StartUp - VASSAL version 3.2.17
2019-08-11 18:59:15,000 [0-AWT-EventQueue-0] INFO VASSAL.launch.ModuleManager - Manager
2019-08-11 18:59:19,498 [0-SwingWorker-pool-26534314-thread-1] INFO VASSAL.launch.AbstractLaunchAction - Loading module file C:\Users\roadk\Downloads\Star_Wars_X-Wing_Miniatures_Game-8.7.1.vmod
2019-08-11 19:00:34,159 [0-SwingWorker-pool-26534314-thread-1] INFO VASSAL.launch.TilingHandler - No images to tile.
2019-08-11 19:00:34,162 [0-SwingWorker-pool-26534314-thread-1] INFO VASSAL.launch.AbstractLaunchAction - Loading module Star Wars X-Wing Miniatures Game
2019-08-11 19:00:34,321 [0-SwingWorker-pool-26534314-thread-1] INFO VASSAL.tools.io.ProcessLauncher - launching C:\Program Files (x86)\Java\jre1.8.0_211\bin\java -Xms256M -Xmx512M -DVASSAL.id=1 -DVASSAL.port=64759 -Duser.home=C:\Users\roadk -Duser.dir=C:\Program Files\VASSAL-3.2.17 -cp lib\Vengine.jar VASSAL.launch.Player --load – C:\Users\roadk\Downloads\Star_Wars_X-Wing_Miniatures_Game-8.7.1.vmod
2019-08-11 19:00:36,526 [1-main] INFO VASSAL.launch.StartUp - Starting
2019-08-11 19:00:36,536 [1-main] INFO VASSAL.launch.StartUp - OS Windows 10 10.0
2019-08-11 19:00:36,536 [1-main] INFO VASSAL.launch.StartUp - Java version 1.8.0_211
2019-08-11 19:00:36,536 [1-main] INFO VASSAL.launch.StartUp - VASSAL version 3.2.17
2019-08-11 19:00:36,537 [1-main] INFO VASSAL.launch.Launcher - Player
2019-08-11 19:00:40,264 [1-IconFactory-preload] INFO VASSAL.tools.icon.IconFactory - VASSAL images folder found at jar:file:/C:/Program%20Files/VASSAL-3.2.17/lib/Vengine.jar!/images/
2019-08-11 19:00:40,300 [1-IconFactory-preload] INFO VASSAL.tools.icon.IconFactory - Icon family network-server created for network-server.png
2019-08-11 19:00:40,301 [1-IconFactory-preload] INFO VASSAL.tools.icon.IconFactory - Icon family go-down created for go-down.png
2019-08-11 19:00:40,301 [1-IconFactory-preload] INFO VASSAL.tools.icon.IconFactory - Icon family network-idle created for network-idle.png
2019-08-11 19:00:40,301 [1-IconFactory-preload] INFO VASSAL.tools.icon.IconFactory - Icon family VASSAL created for VASSAL.png
2019-08-11 19:00:40,301 [1-IconFactory-preload] INFO VASSAL.tools.icon.IconFactory - Icon family calculator created for calculator.png
2019-08-11 19:00:40,301 [1-IconFactory-preload] INFO VASSAL.tools.icon.IconFactory - Icon family go-up created for go-up.png
2019-08-11 19:00:40,301 [1-IconFactory-preload] INFO VASSAL.tools.icon.IconFactory - Icon family VASSAL-jabber created for VASSAL-jabber.png
2019-08-11 19:00:40,301 [1-IconFactory-preload] INFO VASSAL.tools.icon.IconFactory - Icon family jabber created for jabber.png
2019-08-11 19:00:40,301 [1-IconFactory-preload] INFO VASSAL.tools.icon.IconFactory - Icon family bug created for bug.png
2019-08-11 19:00:40,302 [1-IconFactory-preload] INFO VASSAL.tools.icon.IconFactory - Icon family yes created for yes.svg
2019-08-11 19:00:40,302 [1-IconFactory-preload] INFO VASSAL.tools.icon.IconFactory - Icon family no created for no.svg
2019-08-11 19:02:29,777 [1-AWT-EventQueue-0] WARN VASSAL.launch.BasicModule - Star Wars X-Wing Miniatures Game version 8.7.1

I see no errors in the log. What are you seeing when the problem occurs?

See this:
github.com/Mu0n/XWVassal/issues/245

Also see this discussion here:
https://forum.vassalengine.org/t/x-wing-8-3-0-module-unable-to-make-lists/9695/1