Having tranquility and other buffs from the same spell line vanishing randomly for the last 2 days in plane of fire and earth a. Not sure on other zones. Spell is not being dispelled or overwritten.
You do know that buffs do count down in those zones, they dont stop counting down like they do in pok/pot?
Probably a bard clicking Lute of Flowing Waters. https://forums.daybreakgames.com/eq/index.php?threads/lute-of-the-flowing-waters.273649/