Plug-in should be registered in the same way as the software - using the license key. See Store Manager Support regarding registration and possible problems. You can reset plug-ins license in the same way as main software license.
ICEcat Integration registration:
- After purchase all customers receive email notification with registration information. You may find License Number (Regcode) there.
2. Open "Preferences" and activate "Plug-ins" tab to see the list of available Plug-ins and their information. Plug-in is unregistered now.
3. Click on registration status, ICEcat Integration Plugin registration window will appear.
If the license key for registration is correct, the ‘ICECat Integration’ addon will be successfully registered.