[Marttt]

Well, I could reproduce now, it's not related to the cvars btw, it seems that if you do damage in a short delay this hint could bug.

I could reproduce that shooting the tank with an AK consecutively, the hint also displays "empty"

Try this version which I added a delay of 0.4 seconds, this delay may be enough to the hint never bug.

The HP display will have a delay now, maybe someone else has a better solution.