ID:11939 Avalon Memory-Mapped interface for XCVR_RECONFIG_GROUP .qsf setting "<text>" is already merged to instance "<text>".

CAUSE: Tools flow problem creating an invalid Quartus Setting File (.qsf) set_instance_assignment -name XCVR_RECONFIG_GROUP to re-merge the Avalon Memory-Mapped interfaces.

ACTION: Contact Intel Support.