I had the exact same issue, and I noticed that if I immediately printed again then the print was perfect. I think I had skin oil on the BuildTak surface I was printing on which caused localized severe adhesion issues. Maybe try a quick back to back test?
For me: I was printing .2mm high by Xmm by Ymm flat squares to test ABL. I noticed that my first print after messing with the build surface would have that issue, and initially I thought maybe the print head was high or my leveling mesh was wrong... but then I noticed that without changing anything the next identical re-print wo