Sound emits ticking after picking up first skill gem as mercenary

Weird ticking sound starts going on when you pick that gem, go to the skills menu, and put it in.
It goes away after left click to bind the skill and put it in the usable skills.
Im with tutorial enabled.

Also happened to me. Not specific to mercenary, I was playing warrior. Bug was twofold for me. I skipped (ignored) the tutorial prompt to spec my first passive point. Upon having my first skill gem drop shortly after, the drop noise broke and repeated in a broken state indefinitely. Was playing on two monitors, both with speaker sets, and the repeating noise continued when I switched audio output locations. I dropped the gem back on the ground, slotted it, and tried to generate other ingame noise which all failed to remove the ticking audio. Restarted the client which fixed the audio issue. But then could not cross to the first checkpoint because of a misty red tutorial wall. Following the tutorial prompts did not remove it. In fact, I specced my passive point and slotted the skill gem just for the tutorial to continue to tell me to do what I had just done. I had to disable to the tutorial in menu to remove the wall so I could advance.

I had the same issue. First I hit respawn at nearest checkpoint. That got me past the misty red wall. Second I equipped the skill gem and the skill and then used the skill. That made the sound stop.

Same happened here. Menu to the nearest checkpoint to pass the fog gate and then equip/use the skill for the ticking sound. ++ to @N4mex#5829 for post that helped me