ID:98009 Cannot use Write port width <value> with Read port width <value> in DCFIFO megafunction. The width ratio should be a power of 2.

CAUSE: You specified width values for the Write port and Read port of the buffer created by the dcfifo megafunction, resulting in an illegal combination.

ACTION: Modify the design and use width values for Write port and Read port of the dcfifo megafunction buffer, resulting in a legal combination.