System.UnauthorizedAccessException: The property "http://schemas.microsoft.com/mapi/proptag/0x1000001F" does not support this operation.
at Microsoft.Office.Interop.Outlook.PropertyAccessor.GetProperty(String SchemaName)
at OutlookPrivacyPlugin.OutlookPrivacyPlugin.HandlePgpMime(MailItem mailItem, Attachment encryptedMime, Attachment sigMime, String sigHash)
Outlook 14.0.7165.5000 (32-bit) from Office Professional Plus 2010
Windows 7 Enterprise Service Pack 1
When opening a signed mail I got the following error in the plugin:
_-------- 22.04.2016 12:21:39 -------- VerifyEmail
System.UnauthorizedAccessException: The property "http://schemas.microsoft.com/mapi/proptag/0x1000001F" does not support this operation. at Microsoft.Office.Interop.Outlook.PropertyAccessor.GetProperty(String SchemaName) at OutlookPrivacyPlugin.OutlookPrivacyPlugin.HandlePgpMime(MailItem mailItem, Attachment encryptedMime, Attachment sigMime, String sigHash)
Outlook 14.0.7165.5000 (32-bit) from Office Professional Plus 2010 Windows 7 Enterprise Service Pack 1
Any advice to get this fixed?
Regards Thomas