DVT VHDL IDE User Guide
Rev. 19.1.34, 11 October 2019
An error is triggered when trying to connect a port that is not defined in an entity.
Place the editor cursor on the error's line and press Ctrl + 1, select Add port ... from the list of quick fix proposals and press Enter.
Tip: If the entity is instantiated multiple time across the project, the Refactor Add Port Wizard is opened. See here.