1/1: Building Main (Main.idr) Main.idr:27:26--27:72:While processing right hand side of dpairWithExtraInfoBad at Main.idr:27:1--28:1: When unifying [MN (fromInteger 0), MN (fromInteger 0)] and [MN (fromInteger 0)] Mismatch between: [MN (fromInteger 0)] and []