Same here - maybe the first frame of the animation/overlay is not quite transparent? Or maybe we need to adjust some graphics settings (if so, which setting to what value)? In case it helps to narrow down/reproduce this issue: I'm using a GTX 970 under Windows 10 (with current drivers).
Same problem here - strangely enough, when I tried to respec a copy of the same character on Tribble, it worked without a problem. The changes I made to my skills were identical to the ones I made on Holodeck, as well. Don't know if it's relevant, but the Tribble copy of my character is not as far advanced in the…