error message 
noun Computing
A message displayed on a monitor screen or printout indicating that an incorrect instruction has been given or that there is an error resulting from faulty software or hardware.If anything goes wrong, the script will capture the exception and print out an error message....
- The user may not have the luxury of viewing a message box with an error description or even understand the error message when it is displayed.
- Whenever he tried to connect to the internet, he got an error message stating that the modem could not be initialized.