The attempt to unwind the callstack failed. Unwinding is not possible in the following scenarios: 1. Debugging was started ...

The attempt to unwind the callstack failed.

Unwinding is not possible in the following scenarios:
1. Debugging was started via Just-In-Time debugging.
2. An unwind is in progress.
3. A System.StackOverflowException or System.Threading.ThreadAbortException exception has been thrown.