Wow no need to randomly tag people give, him some explanation on why your tagging him specifically so they aren’t confused on why they are getting tagged when they join lol. Also he can’t answer every question under the sun, sure he can answer questions but there’s others who could probably answer it pfm isn’t the only knowledgeable person in this forum lol.
I believe what your looking at is misaligned layers when the sheet was printing like @lyleberr mentioned you can find a lot of information on it scattered around in this thread Show Off Your Error Cards Megathread! - #783 by lazershark2012 there might be a thread dedicated to just this as well if you want to search for it