76 Chapter 6 Understanding the Browser toolN0004999 01Feature messagesMessages also appear when the value you are attempting to enter is not valid because of its format,or does not work with the feature you are programming. For example, you might see: you typed> is not a valid option for ‘Name’. This means that you enteredcharacters that are not valid for a set name.The line is private to a set and cannot be used here. This means that you triedto assign a line that is private to one set to another set.For these kinds of errors, refer to your Installer Guide for more information.Recovering from a lost connectionIf the computer loses its connection to the RAD, an error message occurs.To reconnect, reselect the Browser tool under Run Tool and click the Connect button on theConnection Properties dialog box.Error messagesWhen the Browser tool encounters a problem with its operation, you will get an error message.When the text of an error messages is given in the following examples, is the ID of theNorstar system, and is the customer name from the ICSRT database. The System IDand customer name appear only if you connect to a Norstar system.There are two types of error messages: fatal and non-fatal. The difference between the two types iswhat happens when you click.Non-fatal error messagesIf you click OK in a non-fatal error message window, you are returned to the navigation tree andthe Browser window does not close.Message: is no longer validExplanation: You have attempted to open an item on the navigation tree that no longer existsin the Norstar system programming data. For example, if you expand Line assignment, andthen make assigned line Line 002 private to a telephone, the assignment of Line 002 is nolonger valid for other telephones. If you attempt to open Line 002 under Line assignment foranother telephone, an error message appears: Line 002 is no longer valid.Suggested response: Click OK. The error message disappears and the invalid settings areremoved from the navigation tree.