Problem with opening the watchdog in TI RTOS

Hi

I am using TI RTOS and CC3200 as my target device, when i am trying to open the watchdog its throwing following error.

code :

    Watchdog_Params_init(&params);
    params.callbackFxn = callback;
    params.resetMode = Watchdog_RESET_ON;

    watchdog = Watchdog_open(Board_WATCHDOG0, &params);
    if (watchdog == NULL) {
        System_abort("Error opening Watchdog!\n");
    }

error:

ti.sysbios.family.arm.m3.Hwi: line 1036: E_hardFault: FORCED
ti.sysbios.family.arm.m3.Hwi: line 1113: E_busFault: IMPRECISERR: Delayed Bus Fault, exact addr unknown, address: e000ed38
Exception occurred in background thread at PC = 0x2001bc4a.
Core 0: Exception occurred in ThreadType_Main.
Main name: main(), handle: 0x0.
Main stack base: 0x2002a6fc.
Main stack size: 0x1000.
R0 = 0x1acce551  R8  = 0x2002a6ea
R1 = 0x40000000  R9  = 0x2002a670
R2 = 0x00000001  R10 = 0x2002a664
R3 = 0x2002b628  R11 = 0x2002a65c
R4 = 0x20026fb4  R12 = 0x2002b650
R5 = 0x20029dc0  SP(R13) = 0x2002b670
R6 = 0x20029dcc  LR(R14) = 0x2001bc4b
R7 = 0x2002b6e8  PC(R15) = 0x2001bc4a
PSR = 0x61000000
ICSR = 0x00000803
MMFSR = 0x00
BFSR = 0x04
UFSR = 0x0000
HFSR = 0x40000000
DFSR = 0x0000000b
MMAR = 0xe000ed34
BFAR = 0xe000ed38
AFSR = 0x00000000
Terminating execution...

I am not able to trace the issue . please guide me to solve this issue.

Regards,

-Hardik