Fatal error: Uncaught Error: Call to undefined function Automattic\Jetpack\Publicize\jetpack_photon_url() in /home_pr7/g/e/gewerbe-union.ch/htdocs/wp-base/wp-content/plugins/jetpack-social/jetpack_vendor/automattic/jetpack-publicize/src/class-publicize-base.php:1646
Stack trace:
#0 /home_pr7/g/e/gewerbe-union.ch/htdocs/wp-base/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.bau...', 1200, 654)
#1 /home_pr7/g/e/gewerbe-union.ch/htdocs/wp-base/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.bau...', 1200, 654)
#2 /home_pr7/g/e/gewerbe-union.ch/htdocs/wp-base/wp-includes/class-wp-hook.php(324): Automattic\Jetpack\Publicize\Publicize_Base->jetpack_social_open_graph_filter(Array)
#3 /home_pr7/g/e/gewerbe-union.ch/htdocs/wp-base/wp-includes/plugin.php(205): WP_Hook->apply_filters(Array, Array)
#4 /home_pr7/g/e/gewerbe-union.ch/htdocs/wp-base/wp-content/plugins/jetpack-social/src/class-meta-tags.php(343): apply_filters('jetpack_open_gr...', Array)
#5 /home_pr7/g/e/gewerbe-union.ch/htdocs/wp-base/wp-includes/class-wp-hook.php(324): Automattic\Jetpack\Social\Meta_Tags->render_tags('')
#6 /home_pr7/g/e/gewerbe-union.ch/htdocs/wp-base/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#7 /home_pr7/g/e/gewerbe-union.ch/htdocs/wp-base/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#8 /home_pr7/g/e/gewerbe-union.ch/htdocs/wp-base/wp-includes/general-template.php(3050): do_action('wp_head')
#9 /home_pr7/g/e/gewerbe-union.ch/htdocs/wp-base/wp-content/themes/motif/header.php(17): wp_head()
#10 /home_pr7/g/e/gewerbe-union.ch/htdocs/wp-base/wp-includes/template.php(810): require_once('/home_pr7/g/e/g...')
#11 /home_pr7/g/e/gewerbe-union.ch/htdocs/wp-base/wp-includes/template.php(745): load_template('/home_pr7/g/e/g...', true, Array)
#12 /home_pr7/g/e/gewerbe-union.ch/htdocs/wp-base/wp-includes/general-template.php(48): locate_template(Array, true, true, Array)
#13 /home_pr7/g/e/gewerbe-union.ch/htdocs/wp-base/wp-content/themes/motif/single.php(8): get_header()
#14 /home_pr7/g/e/gewerbe-union.ch/htdocs/wp-base/wp-includes/template-loader.php(106): include('/home_pr7/g/e/g...')
#15 /home_pr7/g/e/gewerbe-union.ch/htdocs/wp-base/wp-blog-header.php(19): require_once('/home_pr7/g/e/g...')
#16 /home_pr7/g/e/gewerbe-union.ch/htdocs/index.php(17): require('/home_pr7/g/e/g...')
#17 {main}
thrown in /home_pr7/g/e/gewerbe-union.ch/htdocs/wp-base/wp-content/plugins/jetpack-social/jetpack_vendor/automattic/jetpack-publicize/src/class-publicize-base.php on line 1646