ID:149003 Alias "<name>" already exists. Do you want to replace the signals for the new alias with the ones from "<name>"?

CAUSE: You attempted to generate the specified alias in a VHDL Design File (.vhd), but an alias with the same name already exists.

ACTION: Click Yes to create a new version of the alias that uses the new signals, or click No to replace the signals for the specified alias with the new signals.