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Fatal error: Uncaught mysqli_sql_exception: Duplicate entry '4670' for key 'PRIMARY' in /home/acriltecrs/www/carrinho.php:82 Stack trace: #0 /home/acriltecrs/www/carrinho.php(82): mysqli_query(Object(mysqli), 'INSERT INTO car...') #1 {main} thrown in /home/acriltecrs/www/carrinho.php on line 82