ID:19481 You cannot rename the root partition ("|"). The root partition name must be "root_partition". Remove any setting(s) in the Design Partitions Window or .qsf assignment(s) that alters the name of the "root_partition".
CAUSE: Renamed root partition with illegal name. The root partition name must be "root_partition".
ACTION: Remove any setting(s) in the Design Partitions Window or .qsf assignment(s) that alters the name of the "root_partition".