In PSoC 4 L there are pins that can not be HW Connection with the Digital Output, Input of Pin component.
(Error at Build)
I think that it will be an error because I can not connect DSI (Digital Signal Interconnect) to this Port.
Is there a way to determine which Port this kind of DSI can not be connected to?
This is not an error, it is device dependent which ports are not connected to the DSI. Check for your PSoC4 datasheet.