As the error message indicates, the Authentication key was wrong. Please make sure that all characters have been typed in the correct format. If the error persists, as Barry mentioned, please contact your local support.
Please let me know if you have any further questions!
Good morning,I also get the error Code: 1038, I entered the number of the protection key with the correct characters, but it does not accept the code.I am switching from Archicad 13 to Archicad 20.Can you help me?It's urgent.Thank you.