MATLAB: How to solve error -5,147

databasedatabase packageerrorlicenselicense errorMATLAB and Simulink Student SuiteMATLAB Parallel Server

Would anyone help to solve error -5,147? I have installed Matlab 2015b with full package but when I used database command it results in error -5,147. I have installed the jdbc driver in the javapath, but nothing worked
Error using database
License checkout failed.
License Manager Error -5
Cannot find a license for Database_Toolbox.
Troubleshoot this issue by visiting:
http://www.mathworks.com/support/lme/R2015b/5
Diagnostic Information:
Feature: Database_Toolbox
License path:
C:\Users\Administrator\AppData\Roaming\MathWorks\MATLAB\R2015b_licenses;C:\Program
Files\MATLAB\R2015b\licenses\license.dat;C:\Program
Files\MATLAB\R2015b\licenses\network.lic
Licensing error: -5,147.
Error in sl_weather (line 6)
connection = database ('sl_demo_site', 'user', 'password', 'com.mysql.jdbc.Driver',
'jdbc:mysql://140.xxx.xx.x:10108/site');
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