Answer:
You are probably using a program version that is not covered by your authorization file.
Example: You received an authorization file in 2019, which expired on December 31, 2019. If you install a 2020 program version now, you will receive the described warning when starting the program.
In this case, you need a current authorization file, AUTHOR.INI, which you can find in your Dlubal Account (this requires a valid service contract).
If you do not know your login data, please contact your system administrator or our customer support at info-usdlubal.com.
