Palio Question - Cracked Heads

[BlackDog]

I seem to crack the heads of probably 50 percent or more of my cigars when I cut them. My Palio seems to function properly, but this is an annoying problem. The blades should be plenty sharp since it's only a few months old. Seems to occur on any cigar, whether NC or CC, so it can't be the stick. Any suggestions for me? Operator error?
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