Hello all. After my first year burning on my large flush wood insert from Travis industries I have a few questions. I burned about four cords some was season under 20% some was a little bit over 20% moisture content. I went to clean out the stove today because I'm going to get a chimney cleaning this weekend and noticed this on the baffle. Does this cause any harm to the stove? I have never over fire the stove and always cover stovetop under 600° to be sure I wouldn't over fire I have been extremely cautious. Thank you for all of your help and input!