ID:21564 VHDL warning at <location>: port '<string>' added as first port of design unit '<string>', existing instances may need to be updated
CAUSE: Intel Quartus Prime Synthesis generated the specified warning message for the specified location in a Design File.
ACTION: No action is required. To remove the warning, address the issue identified by the message text. A future version of the Intel Quartus Prime software will provide more extensive Help for this warning message.