ID:20631 WYSIWYG LCELL_COMB primitive "<name>" in extended mode needs DATAH to be connected.

CAUSE: You made a WYSIWYG LCELL_COMB primitive with the EXTENDED_LUT parameter set to ON but the DATAH input is not connected. DATAH has to be connected for LCELL_COMB WYSIWYGs that have the EXTENDED_LUT parameter set to ON.

ACTION: Modify the design to connect the DATAH input on the specified WYSIWYG primitive.