What is SIGTRAP in CFX4?

cfxbeginer

I calculated a work. But it cannot work.

The erro message is:

Signal received: SIGTRAP -Trace trap Signal generated for float ing-point exception:

FP division by zero

Traceback: Location 0*1010eaad8 ---

---End of call chain ---

what is the problem? I changed initial guess, but it is still.

Who know it? How to resolve it? thank you!