Cracking wrappers on cigars is a reality....no matter the brand....so it behooves us as hobbyists to be vigilant in our goal to keep our humidors at a stable environment. That means calibration to ensure that our humis and hygrometers are accurate and after that....leave them in that environment for enough time to acclimate to their home. Thin wrappers can be troublesome...Connecticut is such a wrapper that while tasty tends to give me fits regardless of the storage...so in this event a higher RH helps prevent cracking which I keep a humidor/tupperador around 64-66% for those types of cigars. Sometimes using the wrong cutter can cause a problem which is why a lot of hobbyists use a punch instead of a straight or guillotine or V cut..... possibly an overly packed section towards the middle? As that section heated up the small amount of expansion of the material caused the wrapper to tear and let go....there are many variables to "what ifs" in cigar issues which leads me back to keeping cigars at rest for months before pulling them out and smoking within the first month. Just because a humidor is at 65% doesn't mean that a cigar that was previously stored in the high 70's is going to magically come to the humidors currrent value....you have to understand that it usually takes a week for every 1% to get down to a value....example..if the cigar was stored at 73% and your humidor is at 65%...that's going to take about 2 months to get that cigar to that value.