hypermill license error

The "HyperMill License Error" typically occurs when the software is unable to find or validate its license key. This can happen for a number of reasons, including:

1. The license key has expired or is no longer valid.
2. The license server is unavailable or offline.
3. The license key has been installed improperly.
4. The license key is being used by another user.

To fix this issue, you can try the following steps:

1. Make sure that your license key is valid and has not expired.
2. Check the license server to ensure that it is online and accessible.
3. Reinstall the license key and make sure that it is installed properly.
4. Contact your software vendor or HyperMill support for further assistance.

It is also important to ensure that you are using the latest version of HyperMill, as newer versions may have addressed this issue.