Hmm, good to know. FWIW, to hopefully prevent this, I cleaned the surfaces entirely with 99% isopropyl alcohol first, and then used a roller like this one, to roll them on with a lot of pressure to make sure the adhesive had no bubbles and really excellent contact. In my experience these two steps will make a huge difference to pressure adhesives on smooth surfaces. Roller I used: https://www.amazon.com/gp/product/B07R2BFBNY