Adaptive Equalization with Filtering and Fading Channel

Hi every body i'm working on adaptive equalization and i found this example in Mathworks "Adaptive Equalization with Filtering and Fading Channel" but when I try to run it through my Matlab 2017a it dosent onpen the model. so I tried to build it as I see from website https://www.mathworks.com/examples/matlab-communications/mw/comm-ex08799768-adaptive-equalization-with-filtering-and-fading-channel?s_tid=examples_p2_MLT but there is some errors which i cannot find why and how to solve it . can any one help me i'm attaching the model that I build my email is :[e-mail]