PDOException error when running SQL Query in PDO [closed] - php

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I am trying to run this SQL Query using PHP PDO:
$stmt = $pdo_conn->prepare("select * from billing_pdf_archive where invoice_number = :invoice_number and sequence = :sequence ");
$stmt->execute(array(
':invoicenumber' => $_GET["inv"],
':sequence' => $_GET["seq"]
)
);
$result = $stmt->fetch();
Note: $_GET["inv"] and $_GET["seq"] show data when echoed
but i am getting this error
Fatal error: Uncaught exception 'PDOException' with message 'SQLSTATE[HY093]: Invalid parameter number: parameter was not defined' in /home/integra/public_html/lifeline/billing/resendpdfinvoice.php:94 Stack trace: #0 /home/integra/public_html/lifeline/billing/resendpdfinvoice.php(94): PDOStatement->execute(Array) #1 {main} thrown in /home/integra/public_html/lifeline/billing/resendpdfinvoice.php on line 94
i cannot work out what is wrong with it

Answer 1

where invoice_number = :invoice_number
^---- underscore here
$stmt->execute(array(':invoicenumber' => $_GET["inv"],
^---no underscore here

Answer 2

See here
invoicenumber!=invoice_number

Answer 3

It appears that your query contains :invoice_number when your execution statement asks for :invoicenumber. Try setting them to the same value (:invoice_number for example)
$stmt = $pdo_conn->prepare("select * from billing_pdf_archive"
. " where invoice_number = :invoice_number and sequence = :sequence ");
$stmt->execute(array(
':invoice_number' => $_GET["inv"],
':sequence' => $_GET["seq"]
));
$result = $stmt->fetch();