ID:15304 LCELL atom "<name>" must use regout port when using clk port

CAUSE: The specified LCELL atom uses the clk port, but does not use the regout port. The LCELL atom must use the regout port when using the clk port.

ACTION: If you are using an EDA tool, contact the technical support for the EDA tool regarding this message. Otherwise, modify the design and make sure the LCELL atom uses the regout port when using the clk port.