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Warning: Undefined array key 1 in /home/cbseguess/public_html/books/products/index.php on line 19

Fatal error: Uncaught ArgumentCountError: Too few arguments to function getMainDiscount(), 0 passed in /home/cbseguess/public_html/books/products/index.php on line 26 and exactly 1 expected in /home/cbseguess/public_html/includes/functions.php:477 Stack trace: #0 /home/cbseguess/public_html/books/products/index.php(26): getMainDiscount() #1 {main} thrown in /home/cbseguess/public_html/includes/functions.php on line 477