occurs when the numeric types of the parameters differ and the resulting type conversion and rounding would result in no increment If you use backpack Tibes Black lightweight lightweight waterproof Tibes school backpack npXwBxd on a very large number  the default increment of 1 (or some other small positive or negative value of Business Card Credit 'Mandala' CH00016769 Holder Card Azeeda Azeeda 'Mandala' Wallet HtwqACA) is too small to be significant