Errors in zencart website- Please help! It's urgent

Hi all,
I am finding certain problems in my zencart shopping website -www.mypetgiftstore.com

1) Once the customer check out after making payment, it is showing an error on the Thankyou page-

Thank You! We Appreciate your Business!

Fatal error: main() [function.require]: Failed opening required '' (include_path='.:/usr/lib/php') in /home/mypet/public_html/includes/templates/dogzen/templates/tpl_checkout_success_default.php on line 38

2) Finding errors in Updating Address Book Entry

Warning: main(includes/modules/address_book_details.php) [function.main]: failed to open stream: No such file or directory in /home/mypet/public_html/includes/templates/dogzen/templates/tpl_address_book_process_default.php on line 61

Fatal error: main() [function.require]: Failed opening required 'includes/modules/address_book_details.php' (include_path='.:/usr/lib/php') in /home/mypet/public_html/includes/templates/dogzen/templates/tpl_address_book_process_default.php on line 61

3) Error in Review Button . When i click on the "reviews " of any product in the categoreis, it showing the following error-

Warning: main(includes/modules/pages/product_reviews/main_template_vars_images.php) [function.main]: failed to open stream: No such file or directory in /home/mypet/public_html/includes/templates/dogzen/templates/tpl_product_reviews_default.php on line 32

Fatal error: main() [function.require]: Failed opening required 'includes/modules/pages/product_reviews/main_template_vars_images.php' (include_path='.:/usr/lib/php') in /home/mypet/public_html/includes/templates/dogzen/templates/tpl_product_reviews_default.php on line 32

Please help me as it is really urgent!!!
Thanks
abhi

Try reloading this file to your host account /includes/templates/dogzen/templates/tpl_checkout_success_default.php

As this is the first error and normally the one that will spawn the others

kobra:

Try reloading this file to your host account /includes/templates/dogzen/templates/tpl_checkout_success_default.php

As this is the first error and normally the one that will spawn the others

hi,
Do you mean to upload this file to my server again?

Thanks abhi

Hi,
I have reloaded the file-account /includes/templates/dogzen/templates/tpl_checkout_success_default.php

to my server. But still my wesbite shows the error.

Abhi

try totally deleting the file in question,
if you have NOT changed it it dosnt need to be tere

Great catch merlin...I overlooked that this was an override dir