The filter is no longer sold for Russian sites, pay attention to Dream Filter, GigantFilter and FilterVier
On Friday, a radically new version of the product filter for Opencart was released -
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Now you can display filtering not only on the category page, but also on the manufacturer/promotions/search pages and any other place indicating the required filters
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Completely new mobile version: modern design, swipe support, location selection
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There is now a choice of topics, so far only two, but the list will be updated.
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Added cache and storage management
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Improved compatibility
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More complete documentation on working with the module.
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Changedlogic for connecting sources of product prices (mutually exclusive use of discount/promotion/option prices..)
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Filter in the list of landing pages
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A new type of landing pages - "Dynamic", with data substitution using the specified mask.
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Displaying landing pages with links in the module block, linking to product characteristics indicating the logic of connections
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Calling filter copying via cron (scheduler) and generating PHP and JS copy call code for insertion into the desired script
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Ability to enable additional breadcrumbs for categories and products when navigating from a search result page using filters
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Enable/disable addingselected filters in the page meta data

Read more in the "Changes" tab on module page.
1. Обновите модификаторы, далее удалите модуль из списка модулей и установите по кнопке "Установить" из этого же списка модулей.
2. Проверьте включен ли у вас модификатор "OCFilter Modification: get page links", если да - отключите его и обновите модификаторы. Если такого нет и по первому пункту ничего не получилось, потребуется доступ в админку