Bad camel cigarettes

I've always been and am still a ***** of camel double activate cigarettes I've changed brands in the past but always come back I've always been impressed with the quality of the tobacco and the smooth burn and smoke of the cigarettes bit over the past few months I've noticed a common unpleasant problem with a few cigarettes in every odd pack it's like a big chunk of tobacco the expands apon it starting to burn then rips the cigarette apart this is a problem for me as it's happening alot more