Plugin don’t work an given the following error:
PHP Fatal error: Uncaught YumpuEpaper_repository_exception: API-Error in /html/wordpress/wp-content/plugins/yumpu-epaper-publishing/lib/YumpuAPI.php:172
Stack trace:
#0 /html/wordpress/wp-content/plugins/yumpu-epaper-publishing/lib/YumpuEpaper_repository.php(153): YumpuAPI->documents_get(0, 100, 'desc')
#1 /html/wordpress/wp-content/plugins/yumpu-epaper-publishing/pages/WP_Yumpu_Admin_Files.php(59): YumpuEpaper_repository::getAll()
#2 /html/wordpress/wp-content/plugins/yumpu-epaper-publishing/pages/WP_Yumpu_Admin_Files.php(11): WP_Yumpu_Admin_Files->display()
#3 /html/wordpress/wp-content/plugins/yumpu-epaper-publishing/yumpu.php(252): WP_Yumpu_Admin_Files->run()
#4 /html/wordpress/wp-includes/class-wp-hook.php(307): WP_Yumpu->page_admin_files('')
#5 /html/wordpress/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters('', Array)
#6 /html/wordpress/wp-includes/plugin.php(476): WP_Hook->do_action(Array)
#7 /html/wordpress/wp-admin/admin.php(259): do_action('toplevel_page_y...')
#8 {main}
thrown in /html/wordpress/wp-content/plugins/yumpu-epaper-publishing/lib/YumpuAPI.php on line 172
