The spelling of an object name must exactly match the definition in its object library. This error has the following cause and solution:
You may have misspelled the name of the object. To see what properties and methods are defined for an object, display the Object Browser. Select the appropriate object library to view a list of available properties and methods.
For additional information, select the item in question and press F1 (in Windows) or HELP (on the Macintosh).