Ensure the licensing background service is actually running on your machine.
: If the PC or IPC was shut down improperly (e.g., power failure), the license might not have been released correctly. In the Automation License Manager (ALM) license key not available wincc logging for runtime advanced
The error "" usually means you have configured tag or alarm logging in your project, but the PC running the Runtime is missing the specific add-on license for that feature . Ensure the licensing background service is actually running