Partners and customers are asked not to install Microsoft Security patch KB4516016 until further advised.
Have had a number of reported cases for across the installed base for Sage CRM for all supported versions. This 3rd party article describes the underlying issue https://stackoverflow.com/questions/58216515/error-asp-0115-a-trappable-error-has-occurred-after-microsoft-patch-cve-2019-1/58270956
Please contact your local support team for further information and advice.
Any word on if has been resolved? We have clients that are looking to us for further updates.
No news as of today.