It means that FME is not properly trapping an error. Please attach the log file from the workspace run you saw this in, and I will try to find out why this is happening.
Already have an account? Login
Enter your E-mail address. We'll send you an e-mail with instructions to reset your password.
Sorry, we're still checking this file's contents to make sure it's safe to download. Please try again in a few minutes.
Sorry, our virus scanner detected that this file isn't safe to download.