I believe your problem was probably the "mossy" texture of your weed. Before you make hash oil, your herb should be completely dried. I once used slightly damp bud trim (used alot, I use the pvc pipe method) one time and it failed hard.

To the previous poster... I've made honey oil with both isopropyl and butane, and believe me...go with butane. I doubt that if you make it with isopropyl and then light it on fire that there will be any THC left, though I could be wrong. What I did was slowly double boiled my alcohol solution until I was left with nothing but golden oil. IMnotsohumbleO the alcohol method is dangerous, as the fumes + heating element could cause an explosion, not to mention the fact that the fumes are horrible for your lungs (especially if you're asthmatic like myself).

Rant done, make sure you have completely dried product.