Cause:
The registration code in the License file under ftp://192.168.39.220/Registration/ in the controller is incorrect.
Troubleshooting:
Check whether the registration code information in the License file under the controller directory ftp://192.168.39.220/Registration/ is correct.
Solution:
Contact after-sales support. They will provide the customer with the correct registration code and analyze why the registration code became invalid.
Case sharing:
None.