ID:13728 VHDL error at <location>: real type objects cannot be used in operations

CAUSE: In a VHDL Design File (.vhd) at the specified location, you used one or more objects as operands in an operation. However, you declared a real type for the object(s) in one or more Constant Declarations, Signal Declarations, or Variable Declarations. You cannot use real type objects as operands in operations.

ACTION: Declare a different type for the object(s), or remove the real type object(s) from the operation.