ID:176661 I/O "<name>" has a memory interface specific sub-block, but has no memory interface grouping assignment specified

CAUSE: The specified I/O has a memory interface specific sub-block, but is not associated with a DQ_GROUP or MEMORY_INTERFACE_DATA_PIN_GROUP. To ensure that these sub-blocks get placed, the corresponding I/Os must be associated with a DQ_GROUP or MEMORY_INTERFACE_DATA_PIN_GROUP.

ACTION: Add memory interface grouping assignments to the specified I/Os. In most cases, this can be done by running Tcl Scripts generated by the ALTMEMPHY MegaWizard.