plugin giving errors and not working

Hi, the plugin is not working or calculating the rates lots of errors even though everything is right in the configuration, can you please tell me why?

Warning: A non-numeric value encountered in C:\xampp\htdocs\zazawebsite\wp-content\plugins\aramex-shipping-woocommerce\includes\shipping\class-aramex-woocommerce-shipping.php on line 109

Warning: count(): Parameter must be an array or an object that implements Countable in C:\xampp\htdocs\zazawebsite\wp-content\plugins\aramex-shipping-woocommerce\includes\shipping\class-aramex-woocommerce-shipping.php on line 174

Warning: count(): Parameter must be an array or an object that implements Countable in C:\xampp\htdocs\zazawebsite\wp-content\plugins\aramex-shipping-woocommerce\includes\shipping\class-aramex-woocommerce-shipping.php on line 174
There are some issues with the items in your cart. Please go back to the cart page and resolve these issues before checking out.

Return to cart

Warning: A non-numeric value encountered in C:\xampp\htdocs\zazawebsite\wp-content\plugins\aramex-shipping-woocommerce\includes\shipping\class-aramex-woocommerce-shipping.php on line 109

Warning: count(): Parameter must be an array or an object that implements Countable in C:\xampp\htdocs\zazawebsite\wp-content\plugins\aramex-shipping-woocommerce\includes\shipping\class-aramex-woocommerce-shipping.php on line 174
Aramex: ERR23 – ShipmentDetails.ActualWeight.Value – Value is less than zero
Customer matched zone “Locations not covered by your other zones”

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