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Fatal error: Uncaught TypeError: sort(): Argument #1 ($array) must be of type array, null given in /home/elektro/web/info.elektro-kahlhorn.de/public_html/wp-content/plugins/backwpup/inc/class-migrate.php:94 Stack trace: #0 /home/elektro/web/info.elektro-kahlhorn.de/public_html/wp-content/plugins/backwpup/inc/class-migrate.php(94): sort(NULL) #1 /home/elektro/web/info.elektro-kahlhorn.de/public_html/wp-content/plugins/backwpup/inc/class-migrate.php(30): BackWPup_Migrate::organize_jobs_by_type(Array) #2 /home/elektro/web/info.elektro-kahlhorn.de/public_html/wp-content/plugins/backwpup/inc/class-install.php(30): BackWPup_Migrate::migrate() #3 /home/elektro/web/info.elektro-kahlhorn.de/public_html/wp-content/plugins/backwpup/backwpup.php(75): BackWPup_Install::activate() #4 /home/elektro/web/info.elektro-kahlhorn.de/public_html/wp-content/plugins/backwpup/backwpup.php(196): BackWPup->__construct() #5 /home/elektro/web/info.elektro-kahlhorn.de/public_html/wp-includes/class-wp-hook.php(324): BackWPup::get_instance('') #6 /home/elektro/web/info.elektro-kahlhorn.de/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(Object(RVOLA\WPOMP), Array) #7 /home/elektro/web/info.elektro-kahlhorn.de/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #8 /home/elektro/web/info.elektro-kahlhorn.de/public_html/wp-settings.php(559): do_action('plugins_loaded') #9 /home/elektro/web/info.elektro-kahlhorn.de/public_html/wp-config.php(80): require_once('/home/elektro/w...') #10 /home/elektro/web/info.elektro-kahlhorn.de/public_html/wp-load.php(50): require_once('/home/elektro/w...') #11 /home/elektro/web/info.elektro-kahlhorn.de/public_html/wp-blog-header.php(13): require_once('/home/elektro/w...') #12 /home/elektro/web/info.elektro-kahlhorn.de/public_html/index.php(17): require('/home/elektro/w...') #13 {main} thrown in /home/elektro/web/info.elektro-kahlhorn.de/public_html/wp-content/plugins/backwpup/inc/class-migrate.php on line 94