Today I attempted to smoke two cigars. When I cut the head of the first the cigar head cracked and began to unravel. I abandoned that cigar and grabbed another brand from the humidor. The head cracked really bad. It was very difficult to smoke as it went out several times. I was outdoors at 54 degrees. The previous two days I smoked cigars from that same humidor that were smaller and they smoked just fine. I have a boveda pack in the humidor. What may be the problem?