License Manager Error -9

License checkout failed.

License Manager Error -9

Your username does not match the username in the license file.

To run on this computer, you must run the Activation client to reactivate your license.

Troubleshoot this issue by visiting:

https://www.mathworks.com/support/lme/9

Diagnostic Information:

Feature: MATLAB

License path: /Users/admin/Library/Application Support/MathWorks/MATLAB/R2023b_licenses:/Applications/MATLAB_R2023b.app/licenses/license.dat:/Applications/MATLAB_R2023b.app/licenses/trial_11631027_R2023b.lic

Licensing error: -9,57.

[Dyuman Joshi]

Have you tried visiting the link that's mentioned in the error?

https://www.mathworks.com/support/lme/9

[Marco]

Yes I wrote

Answer 1

[Matt J]

Change your username back to what it was.