Add to cart white page

Hi there,

I am on 2.4.4

Hmmmm... can't see my homepage now...just getting white screen.

when I view product from admin and try to add to cart I get the white screen again

Hello Tony,

please try to update your WPC with the latest version. You can
download the latest version of it from our official page.

Let us know if you'll have problems again.
Best regards
Naidi
AT1492

Hi there,
Sorry but I really need your help with this.

Previous login details still apply

Thanks
Tony

Hi,
When I add the product to the cart a blank white page is returned.

I have set the debugging to tru and this returns;
Warning: session_start(): Cannot send session cookie - headers already sent by (output started at /home/designstocheckco/public_html/index.php:1) in /home/designstocheckco/public_html/wp-content/plugins/woo-price-calculator/awspricecalculator.php on line 221

Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /home/designstocheckco/public_html/index.php:1) in /home/designstocheckco/public_html/wp-content/plugins/woo-price-calculator/awspricecalculator.php on line 221

Warning: Cannot modify header information - headers already sent by (output started at /home/designstocheckco/public_html/index.php:1) in /home/designstocheckco/public_html/wp-includes/pluggable.php on line 1251

Warning: Cannot modify header information - headers already sent by (output started at /home/designstocheckco/public_html/index.php:1) in /home/designstocheckco/public_html/wp-includes/pluggable.php on line 1254

Your assistance is really appreciated as we are nearly ready to go live with this website

Thanks
Tony