It helps to use a decent grinder when smoking dank buds, especially if their sticky, soft, or wet. If you don't than it won't light or smoke no matter how hard you try.

I've had this shit happen to me when I was first rolling, and it's pretty fucking frustrating to waste decent weed because of an improperly rolled joint. Just make sure dank buds are properly ground up and make sure you roll correctly, and you should be good to go.