ID:20300 WYSIWYG LCELL COMB primitive "<name>" cannot use carry-out or sum-out when extended lut mode is on.

CAUSE: You made a WYSIWYG LCELL primitive with extended mode ON and used sum-out or carry-out. This is not supported.

ACTION: Modify the design to correct the parameter value for this WYSIWYG primitive. If the value is correct, and you are using an EDA tool, contact the technical support for the EDA tool regarding this message. For further assistance, contact Intel Technical Support by creating a Service Request at www.altera.com/mysupport.