Fatal Error

PHP Fatal error:  Uncaught TypeError: Unsupported operand types: string * int in /home/wwamvo/public_html/wp-content/plugins/wc-ame-digital/src/Providers/Orders/Pqad_QrCode.php:326

Stack trace:
#0 [internal function]: PQAD\Providers\Orders\Pqad_QrCode->pqad_cron_schedules(Array)
#1 /home/wwamvo/public_html/wp-content/plugins/wc-ame-digital/vendor/cedaro/wp-plugin/src/HooksTrait.php(124): call_user_func_array(Array, Array)
#2 /home/wwamvo/public_html/wp-includes/class-wp-hook.php(307): Cedaro\WP\Plugin\AbstractHookProvider->Cedaro\WP\Plugin\{closure}(Array)
#3 /home/wwamvo/public_html/wp-includes/plugin.php(191): WP_Hook->apply_filters(Array, Array)
#4 /home/wwamvo/public_html/wp-includes/cron.php(1072): apply_filters('cron_schedules', Array)
#5 /home/wwamvo/public_html/wp-includes/cron.php(994): wp_get_schedules()
#6 /home/wwamvo/public_html/wp-includes/class-wp-hook.php(307): _wp_cron('')
#7 /home/wwamvo/public_html/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array)
#8 /home/wwamvo/public_html/wp-includes/plugin.php(476): WP_Hook->do_action(Array)
#9 /home/wwamvo/public_html/wp-settings.php(620): do_action('wp_loaded')
#10 /home/wwamvo/public_html/wp-config.php(114): require_once('/home/wwamvo/pu...')
#11 /home/wwamvo/public_html/wp-load.php(50): require_once('/home/wwamvo/pu...')
#12 /home/wwamvo/public_html/wp-blog-header.php(13): require_once('/home/wwamvo/pu...')
#13 /home/wwamvo/public_html/index.php(17): require('/home/wwamvo/pu...')
#14 {main}
  thrown in /home/wwamvo/public_html/wp-content/plugins/wc-ame-digital/src/Providers/Orders/Pqad_QrCode.php on line 326