To resolve this the User will need to navigate to the license folder located at:
C:\Users\%username%\AppData\Local\erwinDMLicensing
They will need to follow the steps below:
1. Delete any files in this folder and then restart the machine
2. Once restarted open erwin Data modeler
3. Select the License Key option
4. Fill in the 18 character license code, their email and the company name and then click OK
This should then give them access to the application.