ID:15414 DSP block output WYSIWYG primitive "<name>" requires a register in the loopback data path when the OPERATION_MODE is set to LOOPBACK

CAUSE: The specified DSP block output WYSIWYG primitive is missing a register in the loopback data path, but a register is required when the OPERATION_MODE is set to the specified value.

ACTION: Set the CLOCK and CLEAR parameter to a value other than NONE for any register in the loopback path.