WLab11 Pro problem with Audio Inpainting

Having a problem with the Audio Inpainting tool which I didn’t have in WLab9.5Pro.
I make a selection then hit the Audio Inpainting button and nearly every time I get this:-


The right channel is fine but the left - not too good! If I then undo the process and hit the Audio Inpainting tool again everything is fine. Are you able to recreate this PG? If not, any ideas on what the problem might be?
Thanks.

Are you using WaveLab 11.0.20?

Yes I’m on 11.0.20

Yes, sometimes. Obviously, something to fix. Thanks for the report.
If you process each channel individually, this does not happen.

Thanks for looking into this so quickly.