Fatal error: Uncaught Error: Class 'WPDM\Session' not found in /wp-content/plugins/wpdm-premium-packages/wpdm-premium-packages.php:1182 Stack trace: #0 /wp-includes/class-wp-hook.php(286): WPDMPP\WPDMPremiumPackage->wpdmpp_invoice_field('') #1 /wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters('', Array) #2 /wp-includes/plugin.php(465): WP_Hook->do_action(Array) #3 /wp-content/plugins/download-manager/tpls/wpdm-login-form.php(87): do_action('wpdm_login_form') #4 /wp-content/plugins/download-manager/wpdm-functions.php(1787): include('/wp-content/plu...') #5 /wp-content/plugins/download-manager/libs/class.Package.php(1212): wpdm_login_form(Array) #6 /wp-content/plugins/download-manager/wpdm-functions.php(1283): WPDM\Package::fetchTemplate('<!-- WPDM Templ...', Array, 'page') #7 /wp-content/plugins/download-manager/wpdm-functions.php(572): wpdm_fetch_template('page-template-d...', 2214, 'page') #8 /wp-includes/class-wp-hook.php(286): wpdm_downloadable('') #9 /wp-includes/plugin.php(208): WP_Hook->apply_filters('', A in /wp-content/plugins/wpdm-premium-packages/wpdm-premium-packages.php on line 1182
