MATLAB: License erro -9,57

license manager error -9MATLAB and Simulink Student Suite

how can I fix the license?
I got the following error in ubuntu terminal
wagner@wagner-DCM2B-4:/usr/local/MATLAB/R2018b/bin$ ./matlab
License checkout failed.
License Manager Error -9
Your username does not match the username in the license file.
To run MATLAB on this computer, you must run the Activation client to reactivate your license.
Troubleshoot this issue by visiting:
https://www.mathworks.com/support/lme/R2018b/9
Diagnostic Information:
Feature: MATLAB
License path: /home/wagner/.matlab/R2018b_licenses:/usr/local/MATLAB/R2018b/licenses/license.dat:/usr/local/MATLAB
/R2018b/licenses/license_wagner-DCM2B-4_xxxxxxxxx_R2018b.lic
Licensing error: -9,57.