to trouble shoot the issue, follow these steps:
1) Add the following code at line 1:
</php
error_reporting(E_ALL);
ini_set('display_errors','on');
?>
2) find the following line:
$WA_redirectURL = "journals_Results.php";
and change it to:
$WA_redirectURL = "";
On the bindings panel, expand the WA Global status group and drag the debug info binding to the body of the page.
report back the results after testing the upload again.