Greetings @Cathain ,
Thank you for reporting this issue to us however it seems the information from the template wasn’t pasted here. Could you please use the given Bug Report Template and make sure the information is shared in your report?
This template has most of the information we need to start investigating and will make the process a lot quicker for everyone 
You can find it here: NEW Bug Report Template
Please, add a screenshot of the event log where there should be information regarding your thralls and pets.
Thanks in advance!