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/R2020a/9
Diagnostic Information:
Feature: MATLAB
License path: /home/shishkina/.matlab/R2020a_licenses:/usr/local/MATLAB/R2020a/licenses/license.dat:/usr/local/MAT
LAB/R2020a/licenses/license_shishkina-Inspiron-5379_1096937_R2020a.lic
Licensing error: -9,57.
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