Fatal Error Debugging

SCRIPTER: Error: Unknown error occurred during simulation.

VSIM: Fatal Error: The simulator process terminated unexpectedly.

run: Fatal Error: Unhandled exception (std):

It is showing me this error.Is this error in my code?
Can anyone rectify and repost it back?

This is likely a tool specific problem. This Siemens sponsored public forum is not for discussing tool specific issues. Please read your tool’s User Manual or contact your tool vendor for support.