Below we have compiled the "License Activator's" error messages:
...
Probably you do not have write permissions in the folder where the license file is copied:
- OS XWindows:
/Users/<username>/Documents/C:\users\<username>\Documents\realflow_cinema4d/\licenseWindows - macOS:
C:\users\<username>\Documents\/Users/<username>/Documents/realflow_cinema4d\/license
The user and/or password specified is not valid or the key has not been found.
...
There was a problem in the creation of the serial number. It seems to be not correct.
Cannot validate license.
This error means that the gateway login and/or the activation key are not correct.
If the "License Activator" application has been executed from outside the plugin (it is a separate application) you will get this error as well. In this case the error appears, because the application has not been used as originally intended.
The system cannot be identified. Cannot detect the system Host ID.
The system does not have a → MAC address. Node-locked licenses require a machine with at least one network adapter card.
...