When you are using the Apply to All mode in the Multi Edit tab, you indicate whether you want to change, clear, or keep the existing value for each property that appears in the Details pane. If you select Change as the Update Action, you are required to provide a new value, and an error message appears if you do not. Because you cannot edit properties in the Multi Edit tab that contain images, you receive an error whenever you set an image property to Change.

The checkForEmptyChangeProperties property of the /atg/web/assetmanager/multiedit/ApplyToAllFormHandler component controls this behavior and is set to true by default. If you set this property to false, you change the Apply to All behavior as follows: