SQL query matches the number of values that you're binding to the placeholders. Here are a few steps that you can follow to resolve this error:

Check the SQL statement: Make sure that your SQL statement has the correct number of placeholders for the values that you're binding.

Check the values being bound: Make sure that you have the correct number of values that match the number of placeholders in the SQL statement.

Use named placeholders: Instead of using question marks as placeholders, you can use named placeholders (e.g. :name) and bind values to them using an associative array. This can make it easier to keep track of the placeholders and values.

Use error handling: Use a try-catch block to catch and handle any exceptions that might occur during the execution of your code. This can help you identify and debug any errors more easily.

Example:
try {
   $stmt = $pdo->prepare($sql);
   $stmt->execute($values);
} catch (PDOException $e) {
   echo "Error: " . $e->getMessage();
}

By following these steps, you should be able to resolve the "Invalid parameter number" error in your PHP code.
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