In this case, there doesn't seem to be a direct mathematical or code solution. However, if you're looking for a way to implement logging or handle license keys programmatically, you might need to refer to the WinCC API documentation or Siemens developer resources.
If you have followed all steps above and still see the error, gather the following before calling support: license key not available wincc logging for runtime advanced
If you are using a , note that the trial licenses for WinCC Advanced typically include all options (including Logging) for the first 14-21 days. After that period, the "Logging" component shuts off even if the base visualization works. You cannot fix this without purchasing a real license. In this case, there doesn't seem to be
information in the output window. If a specific license is missing for a configured feature, it will often be noted there. Project Re-build After that period, the "Logging" component shuts off
occurs because Siemens treats logging (archiving) as an optional add-on, requiring a separate license in addition to the base WinCC Runtime Advanced license