Warning: Undefined array key "cart_no" in C:\Apache24\htdocs\AhmB2B_V2\php\print\printRequestEstimate.php on line 6

Fatal error: Uncaught PDOException: SQLSTATE[42601]: Syntax error: 7 ERROR: "order"またはその近辺で構文エラー LINE 1: ...t f on (c.pay_code = f.code) where a.cart_no = order by 1 ^ in C:\Apache24\htdocs\AhmB2B_V2\php\print\printRequestEstimate.php:46 Stack trace: #0 C:\Apache24\htdocs\AhmB2B_V2\php\print\printRequestEstimate.php(46): PDOStatement->execute() #1 {main} thrown in C:\Apache24\htdocs\AhmB2B_V2\php\print\printRequestEstimate.php on line 46