PHP Warning: Undefined array key

  • I just noticed I am getting these errors alot in log file:

    [30-Mar-2023 18:30:29 UTC] PHP Warning: Undefined array key “method” in /home/***/wp-content/plugins/wpc-price-by-quantity/includes/class-frontend.php on line 75
    [30-Mar-2023 18:30:29 UTC] PHP Warning: Undefined array key “layout” in /home/***/wp-content/plugins/wpc-price-by-quantity/includes/class-frontend.php on line 76
    [30-Mar-2023 18:30:29 UTC] PHP Warning: Undefined array key “role” in /home/***/wp-content/plugins/wpc-price-by-quantity/includes/class-frontend.php on line 78
    [30-Mar-2023 18:30:29 UTC] PHP Warning: Undefined array key “tiers” in /home/***/wp-content/plugins/wpc-price-by-quantity/includes/class-frontend.php on line 79

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