Ignore this question. I have gotten closer. I didn't notice the permissions were changing every time I edited the configure.php file. I can now login to the site and conduct a transaction. The site transfers the data to First Data's hosted checkout properly. When the customer enters their credit card information and sends them back to my confirmation page they get the following error:
"Error There has been an error processing the transaction. Please try again. Transaction has been approved Approved"
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