Fatal error: Uncaught Error: Call to undefined method WP_Textdomain_Registry::reset() in /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/wp-content/plugins/wpml-string-translation/classes/MO/Hooks/LanguageSwitch.php:139
Stack trace:
#0 /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/wp-content/plugins/wpml-string-translation/classes/MO/Hooks/LanguageSwitch.php(119): WPML\ST\MO\Hooks\LanguageSwitch->resetTranslationAvailabilityInformation()
#1 /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/wp-content/plugins/wpml-string-translation/classes/MO/Hooks/LanguageSwitch.php(73): WPML\ST\MO\Hooks\LanguageSwitch->changeMoObjects('en_US')
#2 /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/wp-content/plugins/wpml-string-translation/classes/MO/Hooks/LanguageSwitch.php(48): WPML\ST\MO\Hooks\LanguageSwitch->switchToLocale('en_US')
#3 /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/wp-includes/class-wp-hook.php(310): WPML\ST\MO\Hooks\LanguageSwitch->languageHasSwitched('en')
#4 /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array)
#5 /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#6 /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/wp-content/plugins/sitepress-multilingual-cms/sitepress.class.php(1169): do_action('wpml_language_h...', 'en', false, 'pl')
#7 /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/wp-content/plugins/sitepress-multilingual-cms/sitepress.class.php(2888): SitePress->switch_lang('en')
#8 /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/wp-content/plugins/sitepress-multilingual-cms/classes/seo/class-wpml-seo-headlangs.php(45): SitePress->get_ls_languages(Array)
#9 /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/wp-includes/class-wp-hook.php(308): WPML_SEO_HeadLangs->head_langs('')
#10 /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array)
#11 /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#12 /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/wp-includes/general-template.php(3049): do_action('wp_head')
#13 /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/wp-content/themes/blocksy/header.php(21): wp_head()
#14 /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/wp-includes/template.php(783): require_once('/home/server852...')
#15 /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/wp-includes/template.php(718): load_template('/home/server852...', true, Array)
#16 /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/wp-includes/general-template.php(48): locate_template(Array, true, true, Array)
#17 /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/wp-content/themes/blocksy/single.php(10): get_header()
#18 /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/wp-includes/template.php(785): require('/home/server852...')
#19 /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/wp-includes/template.php(718): load_template('/home/server852...', false, Array)
#20 /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/wp-includes/general-template.php(204): locate_template(Array, true, false, Array)
#21 /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/wp-content/themes/blocksy/page.php(15): get_template_part('single')
#22 /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/wp-includes/template-loader.php(106): include('/home/server852...')
#23 /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/wp-blog-header.php(19): require_once('/home/server852...')
#24 /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/index.php(17): require('/home/server852...')
#25 {main}
thrown in /home/server852611/ftp/wordpress/wpn_pierwszainstalacja/wp-content/plugins/wpml-string-translation/classes/MO/Hooks/LanguageSwitch.php on line 139