Creating Multicore system using NIOS2 command shell

I have created a multicore system and downloaded the .sof file on the DE1 board using bios command shell. Now i am trying to create th ebsp using command "nios2-bsp $BSP_TYPE $BSP_DIR $SOPC_DIR --cpu-name $CPU_NAME"

but i am facing the below error:
SEVERE: the absolute address 0x100 does not reference a device in the master group: core0_0_nios2_qsys_0.

Please suggest