[Ranger companion disappeared]

I just ran into this myself and I went digging in output_log.txt

-------- LEVEL LOAD COMPLETE --------        Level = AR_0110_Expedition_Hall. 


 
(Filename: C:/BuildAgent/work/d63dfc6385190b60/artifacts/StandalonePlayerGenerated/UnityEngineDebug.cpp Line: 49)

UnloadTime: 51.208755 ms
Checking to instantiate global...
 
(Filename: C:/BuildAgent/work/d63dfc6385190b60/artifacts/StandalonePlayerGenerated/UnityEngineDebug.cpp Line: 49)

Checking to instantiate in game global...
 
(Filename: C:/BuildAgent/work/d63dfc6385190b60/artifacts/StandalonePlayerGenerated/UnityEngineDebug.cpp Line: 49)

Unloading 2 Unused Serialized files (Serialized files now loaded: 7 / Dirty serialized files: 0)

Unloading 35466 unused Assets to reduce memory usage. Loaded Objects now: 102321.
Total: 282.019440 ms (FindLiveObjects: 7.532833 ms CreateObjectMapping: 8.983988 ms MarkObjects: 84.535263 ms  DeleteObjects: 180.413818 ms)

The asset bundle 'C:/Program Files (x86)/Steam/steamapps/common/Pillars of Eternity/PillarsOfEternity_Data\assetbundles/prefabs/objectbundle/cre_wolf_animal_companion.unity3d' can't be loaded because another asset bundle with the same files are already loaded.
 
(Filename:  Line: 701)

Error trying to load CRE_Wolf_Animal_Companion from C:/Program Files (x86)/Steam/steamapps/common/Pillars of Eternity/PillarsOfEternity_Data\assetbundles/prefabs/objectbundle/cre_wolf_animal_companion.unity3d
 
(Filename: C:/BuildAgent/work/d63dfc6385190b60/artifacts/StandalonePlayerGenerated/UnityEngineDebug.cpp Line: 49)

CRE_Wolf_Animal_Companion(Clone)_10 doesn't have an associated prefab. Trying to recreate from known data, this object may not work correctly.
 
(Filename: C:/BuildAgent/work/d63dfc6385190b60/artifacts/StandalonePlayerGenerated/UnityEngineDebug.cpp Line: 49)

That section of the log looks fairly suspicious. The wolf didn't actually go missing till I left the hall i don't think. It turned into a white circle and now I can't travel anywhere so I'm stuck in Copperlane.