I lost my slider

Good afternoon. I’m not good at the sites and English, but I’ll try to describe my problem.
On my site I used a beautiful standard slider on the home page.
http: //lhtravel.ru

In January, I had a problem. After updating the theme I lost this slider. After a long search it was found out that the slider returns to the place, if you disable the plugin “Hyper Cach”. I was very happy.

But today I again updated the theme to the latest version and decided to check whether it will be compatible with the plugin “Hyper Cach”. Slider disappeared again. Only this time he did not appear after I disabled the plugin. Removing the plug-in also did not help. Do not you tell me what could be the problem?