NEXT Theme Does Not Show Listings In List Format

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I posted this question in the wrong section, so I am reposting it here.

I am running the latest version of Osclass, using the Next theme. 

When I click on the button to change the view from gallery to list view, on any page aside from the homepage, everything that is on the left side of the page disappears, and there are no listings shown.  The list view works only on the homepage itself.

But on any other page, the fields that say "Your search," "location," "show only" etc. disappears, and there are no listings at all shown in the center of the page.  When the gallery view is clicked, everything comes back.

Can you please tell me which file controls this?  Is it main.php, search.php, functions.php, or a different file? 

Does the list view work in the Next theme? Or is this a known error that needs a modification? Or did we change something?

Your help is appreciated.  Thank you.

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I have determined definitively that this issue is related to the theme, and is not an OSclass problem.  When I changed my theme to Bender, the list and gallery view, with the search boxes remaining on the pages, works totally fine. 

I have also opened a support ticket in the market for this theme, also with no reply.  I need some help fixing this issue that is being caused by the Next theme. 

If it cannot be fixed, is there a theme that can be recommended that is in the same cost area ($10 or less) that doesn't have this bug, and has a similar design to Next?   

Unfortunately, I did not notice the reviews that state that the theme is buggy and the publisher will not fix the bugs, or I would have looked elsewhere for a theme.