ID:13668 VHDL Block Configuration error at <location>: invalid block specification name
CAUSE: In a Block Configuration at the specified location in a VHDL Design File (.vhd), you used a block specification name. However, the block specification name is invalid, for example, the block specification name may not be visible at the current scope.
ACTION: Make sure the block specification name is legal, for example, that it is visible at the current scope.