Advanced Search - ERR_CACHE_MISS

Advanced Search - ERR_CACHE_MISS

Hi!
After "advanced Search" for "M1" (http://demo.joomshopping.com/en/search), when you are in the product page, which you have found, and click button back in browser, you get white page with the following Error: ERR_CACHE_MISS.
How to fix it?
Suggested solution for simple Search is here: https://www.joomshopping.com/forum/posts/26/11270.html?lang=ru#9
Change module template
\modules\mod_jshopping_ajaxsearch\tmpl\default.php
method="post"
to
method="get"
+
add in form
<input type="hidden" name="option" value="com_jshopping"/>
<input type="hidden" name="controller" value="search"/>
<input type="hidden" name="task" value="result"/>

But how to do the same for "advanced Search"?

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Aw: Advanced Search - ERR_CACHE_MISS

components\com_jshopping\lib\default_config.php

$config->search_form_method = 'post';

change to

$config->search_form_method = 'get';