FATAL ERROR OCEAN WP HELP

Hello guys,

First of all guys I want to thank you and to say that I don’t have any knowledge about wordpress or php and I’m looking for help. I have problem with OCEANWP after last PHP update. My website is broken and says:

Fatal error: Uncaught Error: Call to undefined function oceanwp_title() in /home/pomislib/public_html/wp-content/themes/pomisli/partials/page-header.php:55 Stack trace: #0 /home/pomislib/public_html/wp-includes/template.php(732): require() #1 /home/pomislib/public_html/wp-includes/template.php(676): load_template(‘/home/pomislib/…’, false, Array) #2 /home/pomislib/public_html/wp-includes/general-template.php(204): locate_template(Array, true, false, Array) #3 /home/pomislib/public_html/wp-content/themes/oceanwp/inc/helpers.php(1949): get_template_part(‘partials/page-h…’) #4 /home/pomislib/public_html/wp-includes/class-wp-hook.php(292): oceanwp_page_header_template(”) #5 /home/pomislib/public_html/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters(”, Array) #6 /home/pomislib/public_html/wp-includes/plugin.php(484): WP_Hook->do_action(Array) #7 /home/pomislib/public_html/wp-content/themes/oceanwp/header.php(40): do_action(‘ocean_page_head…’) #8 /home/pomislib/public_html/wp-includes/template.php(730): requir in /home/pomislib/public_html/wp-content/themes/pomisli/partials/page-header.php on line 55

Could someone help me?

The page I need help with: [log in to see the link]