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I found this question posted by another user previously, but there were no replies. I've defined a 4 layer board to support blind and buried micro vias - i.e. ([2:1+(2*15)+16:15]). Screen shared below for more detail.
I've also defined minimum sizes as shown below.
The blind vias between layers 1-2 and 15-16 work fine. But if I create a buried via between layers 2-15 I get a drill error (as shown below):
I've tried adjusting sizes and ratios with no success. Could someone provide any pointers here?
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