eCart "Transaction Failure"

When processing credit cards utilizing Authorize.net AIM & a SSL I get the "transaction failure" page when selecting "confirm order". I called Authorize.net & they indicated there should be an error log of some kind to tell me what is going wrong. Where is this log or what else may be wrong?
thanks
cindy

They may have been referring to error logs on the merchant gateway site, if so you should be able to find them by logging in and viewing details about transactions.

To help determine why the transactions are failing on your site you should add in the error message code to your checkout failure page. Here is a link to a thread that discusses this, in post #2 is the code to use to get the error messages and additional info about the transaction.

showthread.php?t=3555

Fatal error: Call to undefined function: authnet_result() in /homepages/44/d289565916/htdocs/drygoods/checkout_failure.php on line 44

Now I have this error message in addition to the transaction failure - where exactly should I place the text described in the other thread?
thanks
cindy

Im new at this too... but i think u are missing the include file...
go to...
windows -> Bindings panel -> click the + sign (at the top left corner)
ecart -> checkout -> local checkout response ->
choose your payment gateway (authorize.net)

after that you will see a Local Checkout Response (Aunthorize.net) option in the source col.
click the + and drag the first 4 things into the the page...

they should look something like this

reason code: <?php echo(AuthNet_Result("Response Code")) ?><br />
resaon subcode: <?php echo(AuthNet_Result("Response Subcode")) ?><br />
resaon code: <?php echo(AuthNet_Result("Response Reason Code")) ?><br />
reason text: <?php echo(AuthNet_Result("Response Reason Text")) ?><br />

Thank you for the update on this one, you are correct about the include file being needed, it is something I overlooked.