Error while running Simulink model in MATLAB 2015b?

Hi, I have a simulink model that used to work perfectly well with MATLAB 2012, but now I'm getting "while computing the output. The width of the result was 6 when a width of 3 was expected" error message. Any thoughts?!!

Answer 1

[ALBERT ALEXANDER STONIER]

May I know the process or application which you are dealing with. Also consider that the updated version has the licence pair of it simulink block which you are using.

[amro elhefnawy]

thanks Albert I fix it; i used a variable it is name 'euler' while in version 2015b it is a function