This may occur if the USB license key is not inserted.
Please update the license information to follow the procedure as below.
1. Close the O-Solution.
2. Insert the USB key into your computer.
3. Click the "Start" button, select "Onosokki O-Solution" → "License Manager" and start the License Manager.
4. Click the "Update License" button at the bottom right to update your license information.
Last updated:20260317