ERROR[(errornumber)]

(Err.Raise) Generates an error.

errornumber

(Optional) The error number you want to generate (Integer).

REMARKS

* Err.Raise was added to replace this statement.
* You can use the ERROR Function to return the error message corresponding to a given error number.
* This statement cannot be prefixed with "VBA."
* For the Microsoft documentation refer to docs.microsoft.com

Error 6  'generates Overflow  
Error 11 'generates Division by zero  
Error 55 'generates File already open  

Call Error(6)  'does not work !!  

On Error GoTo ErrorHandler 
   Error 55 
   Exit Sub 
ErrorHandler: 
   MsgBox(Err.Number & " - " & Err.Description)