Boot _demo problem...

While building the demo example of boot_demo1 of stellaris library,I am getting error as shown below,

Build target 'boot_demo1'
compiling boot_demo1.c...
compiling rit128x96x4.c...
assembling startup_rvmdk.S...
linking...
.rvmdkboot_demo1.axf: error: L6938E: Invalid value for --ro-base.
Target not created

Can anyone please tell me what might be the problem...