Problem with scroll from place

Expected: Scroll appraises as enchant armor, it's expected to enchant armor. Actual: When recited, you get the prompt 'A black leather jerkin with dull red stitching is not a weapon.' example: PROTECTED civilized <444hp 531m 1065mv 24900tnl (-25.76%) 4 AM> YOU STEP OUT OF THE SHADOWS! You recite a SCROLL. A black leather jerkin with dull red stitching is not a weapon. Nothing seemed to happen.