i'm getting this problem plz help me to rectify

[ramsss4u]

hello
i'm bharath i'm getting this error while running program in c6713 software could u tell me what is the problem........? n solution..........? reasons........?
error::::::
Trouble running Target CPU: Memory Map Error: WRITE access by Default to address 0xfc920514, which is RESERVED in Hardware.
warnings::::::::------------------------------------------------------
[Linking...] "C:\CCStudio_v3.1\C6000\cgtools\bin\cl6x" -@"Debug.lkf"
<Linking>
>> warning: creating .stack section with default size of 400 (hex) words.
Use
-stack option to change the default size.
>> warning: creating .sysmem section with default size of 400 (hex) words.

Use -heap option to change the default size.

undefined first referenced
symbol in file
--------- ----------------
_sumfunc C:\CCStudio_v3.1\MyProjects\ADCN33\Debug\ADCN33.obj
>> error: symbol referencing errors - './Debug/ADCN33.out' not built

>> Compilation failure

Build Complete,
0 Errors, 2 Warnings, 0 Remarks.

thank you all in advace to stared at my question with patience...........
by ur's
viswa bharath