MATLAB: Error using Merge Block

mergesimulink

Assalamualaikmum & Hi all
I have a problem that is matlab error report like this "output port 1 is required to be persistent, hence this signal cannot be connected to a Merge block."
anyone can help me

Best Answer

Thanks for help my problem already fix. Its actually a bug when using matlab 2007b. I found the solution on this link http://www.mathworks.com/support/bugreports/528501