Do you have a save file of the session that you experienced this issue? With your save file, we can reproduce the issue much easier and faster. You can find your save file here: "C:\Users\username\Documents\Mount and Blade II Bannerlord\Game Saves"
To send us a ticket, please visit the www.taleworlds.com
site and login to your forum account from the top right. Click on "My Account" and then click on "My Open Tickets". You can create a ticket there and include the save file as well as the forum link of this thread. You can find more info about how to upload files to us with the new ticketing system here
. Thanks for reporting and sorry for any inconvenience!