How to solve license manager error -15 ?

I'm using macbook air, and matlab R2014a. before this there no error, but now this error occur. can someone help me.

Answer 1

[Rohit Jain]

Try the documentation page mentioned in the error message. That should help you in resolving the issue.

or you can refer the below link:

http://www.mathworks.com/matlabcentral/answers/98092-why-do-i-receive-license-manager-error-15

If you are still getting the same error message. You can reach to MathWorks Installation Team and they can help you to resolve the issue.