ID:10386 VHDL error at <location>: non-constant index is always outside the range (<range>) of object "<name>"

CAUSE: In a VHDL Design File (.vhd) at the specified location, you indexed an object with a non-constant index. However, the index you specified never falls within the object's range.

ACTION: Change either the non-constant index or the object's type so that the index falls within the object's range.