Error 1.731 Installing a trial version of MATLAB

Hello, I'm trying to install a free trial version of MATLAB in my computer (I'm a student). The installation process looks ok, but when I'm going to make the activation I got the following error:

I'm running ubuntu 15.04. Thanks for your help

[Renan de Sá Tardelli]

I'm having the same problem in Ubuntu 15.04, in this time did you find any solution ?

Answer 1

[Walter Roberson]

http://uk.mathworks.com/matlabcentral/answers/195328-why-do-i-receive-error-1-731-when-activating-mdcs-products#comment_289338

http://uk.mathworks.com/matlabcentral/answers/166064-error-1-731-activations-are-not-allowed-when-license-management-is-set-to-mathworks-hosted-license#answer_169363