EC - Crash approx every 30 minutes in congested combat area

loop

Getting a crash across all my characters in a heavily congested area on Atlantic during the Treasures event. This occurs about every 30 minutes.

Windows event log

Faulting application name: UOSA.exe, version: 4.0.99.1, time stamp: 0x6528158e
Faulting module name: UOSA.exe, version: 4.0.99.1, time stamp: 0x6528158e
Exception code: 0xc0000005
Fault offset: 0x001fd4fe
Faulting process id: 0x32e8
Faulting application start time: 0x01da1e22e4b87387
Faulting application path: C:\Games\Electronic Arts\Ultima Online Enhanced\UOSA.exe
Faulting module path: C:\Games\Electronic Arts\Ultima Online Enhanced\UOSA.exe
Report Id: 42b2f875-4b2b-4adc-99ac-461ca5859ee5
Faulting package full name:
Faulting package-relative application ID:

Some UI log snippets

#1

[23/11/21][21:21:00] [Function]: OverheadText.Shutdown()
[23/11/21][21:21:00] [Function]: OverheadText.OnOverheadChatShutdown()
[23/11/21][21:21:00] [Function]: OverheadText.OnOverheadChatShutdown()
[23/11/21][21:21:00] [Function]: OverheadText.OnOverheadChatShutdown()
[23/11/21][21:21:00] [Function]: OverheadText.Shutdown()
[23/11/21][21:21:00] [Function]: OverheadText.OnOverheadChatShutdown()
[23/11/21][21:21:00] [Function]: OverheadText.OnOverheadChatShutdown()
[23/11/21][21:21:00] [Function]: OverheadText.OnOverheadChatShutdown()
[23/11/21][21:21:00] [Function]: OverheadText.Shutdown()
[23/11/21][21:21:00] [Function]: OverheadText.OnOverheadChatShutdown()
[23/11/21][21:21:00] [Function]: OverheadText.OnOverheadChatShutdown()
[23/11/21][21:21:00] [Function]: OverheadText.OnOverheadChatShutdown()
[23/11/21][21:21:00] [Function]: OverheadText.Initialize()
[23/11/21][21:21:00] [Function]: TargetWindow.HandleUpdateNameEvent()
[23/11/21][21:21:00] [Function]: OverheadText.HandleMobileNameUpdate()
[23/11/21][21:21:00] [Function]: OverheadText.Initialize()
[23/11/21][21:21:00] [Function]: TargetWindow.HandleUpdateNameEvent()
[23/11/21][21:21:00] [Function]: OverheadText.HandleMobileNameUpdate()
[23/11/21][21:21:00] [Function]: OverheadText.Shutdown()
[23/11/21][21:21:00] [Function]: OverheadText.OnOverheadChatShutdown()
[23/11/21][21:21:00] [Function]: OverheadText.OnOverheadChatShutdown()
[23/11/21][21:21:00] [Function]: OverheadText.OnOverheadChatShutdown()

#2

[23/11/20][20:30:01] [Function]: OverheadText.Shutdown()
[23/11/20][20:30:01] [Function]: OverheadText.OnOverheadChatShutdown()
[23/11/20][20:30:01] [Function]: OverheadText.OnOverheadChatShutdown()
[23/11/20][20:30:01] [Function]: OverheadText.OnOverheadChatShutdown()
[23/11/20][20:30:01] [Function]: OverheadText.Initialize()
[23/11/20][20:30:01] [Function]: OverheadText.OnShown()
[23/11/20][20:30:01] [Function]: TargetWindow.HandleUpdateNameEvent()
[23/11/20][20:30:01] [Function]: OverheadText.HandleMobileNameUpdate()

#3

[23/11/20][19:55:11] [Function]: OverheadText.Shutdown()
[23/11/20][19:55:11] [Function]: OverheadText.OnOverheadChatShutdown()
[23/11/20][19:55:11] [Function]: OverheadText.OnOverheadChatShutdown()
[23/11/20][19:55:11] [Function]: OverheadText.OnOverheadChatShutdown()
[23/11/20][19:55:12] [Function]: OverheadText.Initialize()
[23/11/20][19:55:12] [Function]: TargetWindow.HandleUpdateNameEvent()
[23/11/20][19:55:12] [Function]: OverheadText.HandleMobileNameUpdate()
[23/11/20][19:55:12] [Function]: OverheadText.Initialize()
[23/11/20][19:55:12] [Function]: TargetWindow.HandleUpdateNameEvent()
[23/11/20][19:55:12] [Function]: OverheadText.HandleMobileNameUpdate()