If you are still unable to resolve the issue, contact KUKA support at Simulation.Robotics.De(at)kuka.com for assistance with license activation. Important Considerations
Modern iterations of KUKA simulation software offer scalable licensing models, allowing smaller integration firms to pay for the software only during active project phases. Conclusion
If you possess a valid KUKA Sim Pro 3.1 product key but the software displays an "invalid license" or "product key not found" error, use the following methods to resolve the problem. 1. Re-register the Licensing Service