E120 - Synchronization in progress
Common reasons for this error
This error indicates that your smartcard is currently undergoing a synchronization process.
Suggested fix
Please keep your decoder switched on and do not turn it off during this process. The synchronization is usually completed within about 5 minutes, and the error should clear automatically once it's done. Patience is key here; allowing the process to complete uninterrupted will ensure your services are restored promptly.