Hello Davorka,
I see that you are facing license related error while using MATLAB.
Please note that, “License Manager Error –39" indicates that you are logged into your computer as a user who is not authorized to use the license. For Network licenses that utilize an Options File to administer the licenses, users who are not included for a licensed product are denied access.
For instructions to resolve this error, please refer to the link provided by MathWorks Support Team about “License Manager Error -39”: https://www.mathworks.com/matlabcentral/answers/98895-why-do-i-receive-license-manager-error-39
Please update your license manager to the newest version. For more information, refer to a related article: https://www.mathworks.com/matlabcentral/answers/514971-how-do-i-update-the-network-license-manager
I hope it helps!