ID:13655 VHDL error at <location>: exponentiation with negative exponent must be used only for real type objects

CAUSE: In a VHDL Design File (.vhd) at the specified location, you used an exponentiation with a negative exponent for an object that does not have a real type. You can use an exponentiation with a negative exponent only for a real type object.

ACTION: Make sure the design contains exponentiation with negative exponents only for real type objects.