ID:15353 DSP block output WYSIWYG primitive "<name>" has accoverflow port that must be used in ACCUMULATOR mode

CAUSE: The specified DSP block output WYSIWYG primitive has an accoverflow port. However, the OPERATION_MODE parameter must be set to ACCUMULATOR when using the accoverflow port.

ACTION: If 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.