Dassault Systèmes now heavily promotes subscription-based (3DEXPERIENCE) licensing. These have hard expiration dates. The system requires a re-authentication with Dassault's cloud servers every 30–90 days. If your subscription renewal is late, the error appears immediately.
: If you are a student or using an academic version, reach out to your university's license administrator to request a new license file. Verification and Troubleshooting Steps The Expiration Date Of Your License Has Arrived Catia
Some situations cannot be resolved internally. Contact official support immediately if: The Expiration Date Of Your License Has Arrived Catia
If you have a local license file (usually named CATLIC_Library.lic ): The Expiration Date Of Your License Has Arrived Catia