Error contribution Aditional Images 2.0.0 - Help!

[sunset123]

Hello:

I am new with oscommerce and I need help with this error.

I am instaling Additional Images 2.0.0 and after upload the new files, I need to run from the browser this catalog/admin/additional_images_configure.php

and the browser show me this error:

 

Failed opening required 'includes/FILENAME_ADDITIONAL_IMAGES' (include_path='.:/usr/local/lib/php') in /var/hsphere/local/home/mywebsite.com/catalog/admin/additional_images_configure.php on line 28

 

I appreciate a lot if somebody can help me.

Thanks!