My thrall has vanished after

Game mode: [Online ]
Problem: [ Bug ]
Region: [north America]

I was waiting in place next to my thrall that was fallowing me. After waiting for awhile I finally rescue my Freinds from thrall seem to had falling into the map. Next think u know his thrall is summoned back and I turn around and my thrall is gone… Ceck fallowers and my lv 20thrall was gone… Check logs and nothing about her dying. She is strong so I know that nothing could just kill her with a fight and whatever happens was not logged… i truly believe the game has tlclained my thrall Guenivere :cry:
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Steps on how to reproduce issue:
1.Have a thrall fallowing you rescue on another thrall by whatever name.
3.poof, other thrall is recued and fallowing thrall is gone…
4.(Thrall rescued was stuck in the map and could not be seen on streen only map )