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Fatal error: Uncaught mysqli_sql_exception: Incorrect decimal value: '' for column 'product_price' at row 1 in /home/whiteja/public_html/final_project/handle_form_addproduct.php:23 Stack trace: #0 /home/whiteja/public_html/final_project/handle_form_addproduct.php(23): mysqli_query(Object(mysqli), 'INSERT INTO pro...') #1 {main} thrown in /home/whiteja/public_html/final_project/handle_form_addproduct.php on line 23