You have specified a value for the CustomActionData property that is improperly formatted. When the InstallerClass property is set to true, the CustomActionData property must be formatted using name/value pairs.
To correct this error
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Double-click the error message in the Task List to go to the custom action in the Custom Actions Editor.
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In the Properties window, select the CustomActionData property and enter a properly formatted value.
Note |
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| If the custom action is not an Installer class, set the InstallerClass property to false. |
See Also