Debugging in QNX IDE

hi

i’m new to QNX IDE environment. While following the procedures that are specified in start guide to perform debugging, i’m receiving a message as shown below

QNX GDB Debugger (Suspended)

            Description : Segmentation Fault

            Symbol not available

if i ‘run’ the code it runs

but i cant able to debug

please help

Check
qnx.com/developers/docs/6.3. … debug.html