Brands dropdown not working on site

HI, Everytime you select a brand on the site it takes you to the blog page. We are using oxygen builder which is gaining more traction with regards to theme,page builder.

here is our system report.
‘Array
(
[home_url] => https://test.fightnfit.co.uk
[site_url] => https://test.fightnfit.co.uk
[version] => 3.4.5
[wp_version] => 4.9.8
[wp_multisite] =>
[wp_memory_limit] => 40M
[wp_debug_mode] =>
[wp_cron] => 1
[language] => en_GB
[server_info] => LiteSpeed
[php_version] => 7.2.9
[php_post_max_size] => 512M
[php_max_execution_time] => 300
[php_max_input_vars] => 8000
[max_upload_size] => 536870912
[default_timezone] => UTC
[theme] => Array
(
[name] => Twenty Fifteen Child Theme
[version] => 1.0.0
[parent_theme] => Twenty Fifteen
)

[active_plugins] => Array
(
[0] => instagram-feed/instagram-feed.php
[1] => mobile-menu/mobmenu.php
[2] => oxygen/functions.php
[3] => perfect-woocommerce-brands/main.php
[4] => recently-viewed-and-most-viewed-products/recently-viewed-and-most-viewed-products.php
[5] => regenerate-thumbnails/regenerate-thumbnails.php
[6] => revslider-explodinglayers-addon/revslider-explodinglayers-addon.php
[7] => revslider-particles-addon/revslider-particles-addon.php
[8] => revslider/revslider.php
[9] => wc-category-showcase/wc-category-showcase.php
[10] => widget-css-classes/widget-css-classes.php
[11] => woocommerce-dpd-uk/woocommerce-dpd-uk.php
[12] => woocommerce/woocommerce.php
[13] => woosidebars/woosidebars.php
[14] => wpdesk-helper/wpdesk-helper.php
[15] => youtube-embed-plus/youtube.php
)

[pwb_options] => Array
(
[version] => 1.6.5
[wc_pwb_admin_tab_brand_single_position] => after_meta
[old_wc_pwb_admin_tab_slug] => brand
[wc_pwb_notice_plugin_review] =>
[wc_pwb_admin_tab_slug] =>
[wc_pwb_admin_tab_brand_desc] =>
[wc_pwb_admin_tab_brand_single_product_tab] =>
[wc_pwb_admin_tab_brands_in_loop] =>
[wc_pwb_admin_tab_brands_in_single] =>
[wc_pwb_admin_tab_brand_logo_size] =>
)

)’

Any help would be great.

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