ID:14121 WYSIWYG RAM Primitive "<name>" uses ECC feature and the mixed-port read-during-write mode is set to old memory content. These two features cannot be used together.

CAUSE: The specified WYSIWYG RAM primitive is using ECC and mixed-port read-during-write mode at the same time. This is not allowed.

ACTION: Check your design and make sure you don't use the ECC feature and old memory content mixed-port read-during-write mode at the same time.