Solution #1: Panel Compatibility
Please be sure that you have a licensed version of Adobe Photoshop CC installed on your computer as that is the only software the RA Panels are compatible with.
Note, that Photoshop Elements is NOT the same program and our panels will not work in it.
Solution #2: Uninstall the Previous Version of the Panel
This error can also occur when the previous version of the panel has not been uninstalled properly before attempting to install a newer, updated version of the same RA Panel.
Please follow our instructions on the Uninstall Instructions page and uninstall the previous versions of the panel completely.