If you have just seen this message, (though sometimes exporting as a generic format like IGES or STEP might work if the save functionality is disabled).
Node-locked licenses are tied to your computer's MAC address or hard drive serial number. If you have replaced your network card or motherboard, the license file will see a different hardware ID and interpret it as an "expired" or invalid license. The Expiration Date Of Your License Has Arrived Catia
Do you have access to the on your machine? If you have just seen this message, (though
If you are part of a corporate network, your local CATIA client has lost communication with the license server (like a LUM or DSLS server), or the borrowed offline license has expired. 2. Troubleshooting and Resolving the Error Do you have access to the on your machine
Locate your new license file (usually a .LIC or .LUM extension).