Hi,
No excuses needed! You were just getting a bit ahead of yourself.. you need to fix the problems with the configure.php first.. once fixed the software will have been able to tell you to put the rewrite rule in the folder beneath includes folder.. the rewrite rule doesn't go in the .htaccess file in the includes folder.
Send me some (temporary if needs be but with full write permissions) FTP and admin details and I'll fix the configure.php file and put the rule in the .htaccess file it is supposed to go in.
On a fresh Zen Cart installation you normally have to create a new .htaccess file, the rule doesn't go inside any of Zen Cart's existing .htaccess files.
All the best...
Conor
ceon
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