Fatal error: Uncaught Error: Class 'WP_Translation_Controller' not found in /wp-includes/l10n.php:796
Stack trace:
#0 /wp-content/plugins/loco-translate/src/hooks/LoadHelper.php(171): load_textdomain('maintenance', '//wp-content/la...')
#1 /wp-includes/class-wp-hook.php(310): Loco_hooks_LoadHelper->on_load_textdomain('maintenance', '//wp-content/la...')
#2 /wp-includes/class-wp-hook.php(334): WP_Hook->apply_filters('', Array)
#3 /wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#4 /wp-includes/l10n.php(780): do_action('load_textdomain', 'maintenance', '//wp-content/la...')
#5 /wp-includes/l10n.php(1005): load_textdomain('maintenance', '//wp-content/la...', 'pl_PL')
#6 /wp-content/plugins/maintenance/maintenance.php(194): load_plugin_textdomain('maintenance')
#7 /wp-includes/class-wp-hook.php(310): MTNC->mtnc_lang('')
#8 /wp-includes/class-wp-hook.php(334): WP_Hook->apply_filters(NULL, Array)
#9 /wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#10 /wp-settings.php(495): do_action('plugins_loaded')
#11 /wp-conf in /wp-includes/l10n.php on line 796
Fatal error: Uncaught Error: Class 'WP_Translation_Controller' not found in /wp-includes/l10n.php:796
Stack trace:
#0 /wp-content/plugins/loco-translate/src/hooks/LoadHelper.php(171): load_textdomain('default', '//wp-content/la...')
#1 /wp-includes/class-wp-hook.php(310): Loco_hooks_LoadHelper->on_load_textdomain('default', '//wp-content/la...')
#2 /wp-includes/class-wp-hook.php(334): WP_Hook->apply_filters('', Array)
#3 /wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#4 /wp-includes/l10n.php(780): do_action('load_textdomain', 'default', '//wp-content/la...')
#5 /wp-includes/l10n.php(953): load_textdomain('default', '//wp-content/la...', 'pl_PL')
#6 /wp-includes/class-wp-fatal-error-handler.php(49): load_default_textdomain()
#7 [internal function]: WP_Fatal_Error_Handler->handle()
#8 {main}
thrown in /wp-includes/l10n.php on line 796