"Medical injector selected to be used first by salves"

[seewen]

In gorbat Pride, when approching the locked door, the message "Medical injector selected to be used first by salves" is spammed (middle screen, not in log) every turn.
http://imgur.com/a/rnWLz

I don't know if it's linked, but after a few turns, Tome becomes laggy as hell (tome process using 98% CPU).
Exit+Save, and reload, and it's playable for a few turns ("Medical injector selected to be used first by salves" still displayed).

(msg stopped after I killed the ennemies, 3 orcs, in the room in the locked door).
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Insane
Temporal Warden, skeleton
(Steam, all DLC)
Didn't rescued tinker escort

[Patashu]

This happened to me too. Adventurer, Normal, Dwarf Berserker, latest verison, steam/all DLC.