Lpc2000

I use Keil uvision3 on LPC2138 ,When i ported uc/os_II,it have a error.

lingking...

.\obj\LPC2138.sct(7): error: L6236E: No section matches selector - no
section to be FIRST/LAST.
".\obj\LPC2138.axf" - 1 Error(s), 0 Warning(s).

; *************************************************************
; *** Scatter-Loading Description File generated by uVision ***
; *************************************************************

LR_IROM1 0x00000000 0x00080000  {  ; load region
    ER_IROM1 0x00000000  {       ; load address = execution address
     *.o (RESET, +First)
     * (+RO)
    }
    RW_IRAM1 0x40000000 0x00008000  {  ; RW data
     * (+RW +ZI)
    }
}




Why????