Fatal error: Uncaught Error: Call to undefined function Automattic\Jetpack\Publicize\jetpack_photon_url() in /customers/1/f/b/rivertribe.co.uk/httpd.www/wp-content/plugins/jetpack-social/jetpack_vendor/automattic/jetpack-publicize/src/class-publicize-base.php:1646 Stack trace: #0 /customers/1/f/b/rivertribe.co.uk/httpd.www/wp-content/plugins/jetpack-social/jetpack_vendor/automattic/jetpack-publicize/src/class-publicize-base.php(1667): Automattic\Jetpack\Publicize\Publicize_Base->get_resized_image_url('https://www.riv...', 1200, 774) #1 /customers/1/f/b/rivertribe.co.uk/httpd.www/wp-content/plugins/jetpack-social/jetpack_vendor/automattic/jetpack-publicize/src/class-publicize-base.php(1748): Automattic\Jetpack\Publicize\Publicize_Base->compress_and_scale_og_image('https://www.riv...', 1200, 774) #2 /customers/1/f/b/rivertribe.co.uk/httpd.www/wp-includes/class-wp-hook.php(324): Automattic\Jetpack\Publicize\Publicize_Base->jetpack_social_open_graph_filter(Array) #3 /customers/1/f/b/rivertribe.co.uk/httpd.www/wp-includes/plugin.php(205): WP_Hook->apply_filters(Array, Array) #4 /customers/1/f/b/rivertribe.co.uk/httpd.www/wp-content/plugins/jetpack-social/src/class-meta-tags.php(343): apply_filters('jetpack_open_gr...', Array) #5 /customers/1/f/b/rivertribe.co.uk/httpd.www/wp-includes/class-wp-hook.php(324): Automattic\Jetpack\Social\Meta_Tags->render_tags('') #6 /customers/1/f/b/rivertribe.co.uk/httpd.www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #7 /customers/1/f/b/rivertribe.co.uk/httpd.www/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #8 /customers/1/f/b/rivertribe.co.uk/httpd.www/wp-includes/general-template.php(3050): do_action('wp_head') #9 /customers/1/f/b/rivertribe.co.uk/httpd.www/wp-content/themes/Avada/header.php(21): wp_head() #10 /customers/1/f/b/rivertribe.co.uk/httpd.www/wp-includes/template.php(810): require_once('/customers/1/f/...') #11 /customers/1/f/b/rivertribe.co.uk/httpd.www/wp-includes/template.php(745): load_template('/customers/1/f/...', true, Array) #12 /customers/1/f/b/rivertribe.co.uk/httpd.www/wp-includes/general-template.php(48): locate_template(Array, true, true, Array) #13 /customers/1/f/b/rivertribe.co.uk/httpd.www/wp-content/themes/Avada/single.php(15): get_header() #14 /customers/1/f/b/rivertribe.co.uk/httpd.www/wp-includes/template-loader.php(106): include('/customers/1/f/...') #15 /customers/1/f/b/rivertribe.co.uk/httpd.www/wp-blog-header.php(19): require_once('/customers/1/f/...') #16 /customers/1/f/b/rivertribe.co.uk/httpd.www/index.php(17): require('/customers/1/f/...') #17 {main} thrown in /customers/1/f/b/rivertribe.co.uk/httpd.www/wp-content/plugins/jetpack-social/jetpack_vendor/automattic/jetpack-publicize/src/class-publicize-base.php on line 1646