Just received our first crash on smartermail Build 7118

Error log

Application: MailService.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an internal error in the .NET Runtime at IP 00007FFB8D6973BD (00007FFB8D5B0000) with exit code 80131506.

Faulting application name: MailService.exe, version: 100.0.7118.38754, time stamp: 0x5d16e9bc
Faulting module name: clr.dll, version: 4.7.3416.0, time stamp: 0x5cabfc63
Exception code: 0xc0000005
Fault offset: 0x00000000000e73bd
Faulting process id: 0x13d8
Faulting application start time: 0x01d53056172b8b60
Faulting application path: C:\Program Files (x86)\SmarterTools\SmarterMail\Service\MailService.exe
Faulting module path: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\clr.dll
Report Id: 56986fe8-a3ef-11e9-80e5-002590a81cbd
Faulting package full name:
Faulting package-relative application ID:

I've delayed the upgrade to latest version as Im waiting on a custom build, but dont mind upgrading if a similar issue has been resolved in the latest build.