Cannot Modify Header Information

  • Warning: Cannot modify header information – headers already sent by (output started at /home/site/public_html/wp-content/plugins/qualpay-woocommerce-plugin-v3.1.1/includes/class-qualpay-order.php:88) in /home/site/public_html/wp-includes/functions.php on line 6221

    Warning: Cannot modify header information – headers already sent by (output started at /home/site/public_html/wp-content/plugins/qualpay-woocommerce-plugin-v3.1.1/includes/class-qualpay-order.php:88) in /home/site/public_html/wp-content/plugins/qualpay-woocommerce-plugin-v3.1.1/includes/class-qualpay-woocommerce.php on line 148

    Seeing similar errors like this repeatedly. Please give me a way to provide the link privately as it is a client’s production site. Thank you.

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