Dokan Plugin bug or Error

I have an eCommerce. I use Martfury Theme. when I active Dokan Plugin, then I found some error. Please help me :

error show: `Fatal error: Uncaught TypeError: abs(): Argument #1 ($num) must be of type int|float, array given in D:\xampp\htdocs\serena\wp-content\plugins\dokan-lite\includes\wc-functions.php:1047
Stack trace:
#0 D:\xampp\htdocs\serena\wp-content\plugins\dokan-lite\includes\wc-functions.php(1047): abs(Array)
#1 D:\xampp\htdocs\serena\wp-content\themes\martfury\woocommerce\single-product\tabs\tabs.php(56): dokan_get_more_products_from_seller(‘4’, Array)
#2 D:\xampp\htdocs\serena\wp-content\plugins\woocommerce\includes\wc-core-functions.php(345): include(‘D:\\xampp\\htdocs…’)
#3 D:\xampp\htdocs\serena\wp-content\plugins\woocommerce\includes\wc-template-functions.php(1540): wc_get_template(‘single-product/…’)
#4 D:\xampp\htdocs\serena\wp-includes\class-wp-hook.php(287): woocommerce_output_product_data_tabs(”)
#5 D:\xampp\htdocs\serena\wp-includes\class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#6 D:\xampp\htdocs\serena\wp-includes\plugin.php(484): WP_Hook->do_action(Array)
#7 D:\xampp\htdocs\serena\wp-content\themes\martfury\woocommerce\content-single-product.php(80): do_action(‘woocommerce_aft…’)
#8 D:\xampp\htdocs\serena\wp-includes\template.php(732): require(‘D:\\xampp\\htdocs…’)
#9 D:\xampp\htdocs\serena\wp-content\plugins\woocommerce\includes\wc-core-functions.php(284): load_template(‘D:\\xampp\\htdocs…’, false)
#10 D:\xampp\htdocs\serena\wp-content\plugins\woocommerce\templates\single-product.php(37): wc_get_template_part(‘content’, ‘single-product’)
#11 D:\xampp\htdocs\serena\wp-includes\template-loader.php(106): include(‘D:\\xampp\\htdocs…’)
#12 D:\xampp\htdocs\serena\wp-blog-header.php(19): require_once(‘D:\\xampp\\htdocs…’)
#13 D:\xampp\htdocs\serena\index.php(17): require(‘D:\\xampp\\htdocs…’)
#14
thrown in D:\xampp\htdocs\serena\wp-content\plugins\dokan-lite\includes\wc-functions.php on line 1047