AppleScript error

An error occurred during processing of your script. This error has the following causes and solutions:

• The error could be related to the target application.

  Check whether identifiers in the script match those in the application.

• The error could be related to AppleScript.

  Make sure the syntax used in your script is valid AppleScript syntax.

For additional information, select the item in question and press F1 (in Windows) or HELP (on the Macintosh).