Keys disappearing.

[Texy]

As it says in title.
Today keys have been disappearing. I started with 4 (tradeable) keys. used 2 and one Hongmoon Cinderlands key.
while salvaging I noticed one tradeable key went missing. And about 20 minutes later the last one went missing!

Not in vault. Not used. Not sold or traded.

[EDIT]
And now not receiving keys from dailies even though it shows in chat window "Acquired 1 key". It does not appear in inventory :(
[/EDIT]

[Erohiel]

Experiencing the same problem... I got a Brilliant Viridian Key from a daily which never appeared in my inventory, and then a key from an enemy inside a dungeon and it also never appeared in my inventory. Didn't use it, didn't discard it, didn't sell or trade it, it was never there even though I supposedly got them.