Category: USER-EXEC

when an exception is raised on the current thread by a call to User::RaiseException(), and the thread has no exception handler to handle the specified exception.

implicitly through a processor or hardware exception. A common case is EExcIntegerDivideByZero, created by attempting to divide by zero. See TExcType.

when the current thread calls RThread::RaiseException() on itself, and the thread has no exception handler to handle the specified exception.